“Consider chemistry … among the most useful of sciences and big with future discoveries for the utility and safety of the human race.” — Thomas Jefferson. You can recognize these compounds because they consist of nonmetals bonded to each other. 23) Nitrous Oxide : Laughing Gas carbon dioxide CO 2) Ionic Compound - a compound formed from the attraction between positive and negative ions. 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Elements constitute the simplest chemical substances in which all the atoms are exactly the same. For instance, the chemical name of NaCl is Sodium chloride and its common name is salt. Carboxylic acids are the most common organic acids. Questions from this topic are frequently asked in most of the competitive exams including SSC CGL. methane molecule Methane, in which four hydrogen atoms are bound to a single carbon atom, is an example of a basic chemical compound. 5) Calcium Carbonate : Chalk (Marble) Covalent Compound - a compound where electrons are shared between the atoms (e.g. 17) Calcium Oxide : Quick Lime are not compounds- mixtures (glass, alloys, concrete, gasoline , etc.) Now let us have a look at the common names and formulas of some important chemical compounds. Chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. Vinegar “Modern chemistry, with its far-reaching generalizations and hypotheses, is a fine example of how far the human mind can go in exploring the unknown beyond the limits of human senses.” — Horace G. Deming. A molecule consisting of atoms of only one element is therefore not a compound. Elements that have similar electronegativities tend to make covalent bonds. Lipid is a substance which is soluble in nonpolar solvents, it is naturally occuring molecules such … Na2CO3 9) Caustic Potash : Potassium Hydroxide These functional groups impart a distinctive character to the plain aliphatic chain or rings. Covalent compounds are chemical compounds that are formed by the sharing of electron pairs between elements. There exists a special type of covalent bond called a coordinate covalent bond. Elements and compounds are the two forms in which pure substances exist. Those beauty conscious people may also find this chemical helpful as it is also used in a pedicure. There are a wide variety of covalent bonds ranging from simple compounds composed of only two atoms to extremely complex organic macromolecules. • What a chemical compound is For example, carbon dioxide has a chemical formula of CO 2, this means the compound is made of carbon and oxygen atoms at a ratio of 1 carbon to 2 oxygen. Success is the sum of small efforts repeated day in and day out. The actual number of possible chemical bond-types is unknown, but these three categories comprise the majority of chemical bonds that one would encounter in everyday life. One example of an ionic compound is sodium chloride (NaCl), formed from sodium and chlorine. When iron is exposed to the atmosphere for a period of time, it begins to rust. Examples of Compounds - Salt Salt is a compound because it is made up of more than one element. Scientists or chemists identify a particular chemical compound from its scientific name. It is usually has a savory taste and be used as food preservative in stew and soup. 1) Sodium bicarbonate : Baking powder Molecular compounds involve atoms joined by covalent bonds and can be represented by a variety of formulas. Iron oxide PCl 3 - phosphorus trichloride CH 3 CH 2 OH - ethanol 25) Sucrose : Sugar Examples of household compounds with their chemical formulas: (1) water - H2O (2) sodium chloride (table salt) - NaCl (3) sucrose (table sugar) - C12H22O11 (4) sodium hydrogen carbonate (baking soda) - NaHCO3 A chemical compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds. Monosodium glutamate. Compounds can be either ionic (composed of ions, in which an atom or atoms gain or lose electrons) or covalent (formed when elements share electrons). The attractive force between oppositely charged ions draws them together and forms a tight chemical bond. thanks, Solar flares are abrupt brightenings in the solar atmosphere. ". Compounds interact through chemical reactions, during which atomic bonds are broken and reform into different compounds. 7) Solid Carbondiaoxide : Dry Ice It is very important … Elements will share a pair of electrons in order to gain a complete outer shell and a stable electron configuration. Many common covalently bonded compounds, like carbon dioxide (CO2) or methane (CH4), exist as gasses at room temperature and their chemical bonds are relatively easy to break. • Acetic acid is another name of which of the following? © 2020 Science Trends LLC. (1/2)H20 26) Trinitrotoluene : T.N.T. There will be a fixed ratio for a chemical compound determining the composition of it. This property is the reason why metals are malleable and have ductile strength. Table salt, for example, is an ionic compound, formed by the joining of a sodium cation (Na+) and a chlorine anion (Cl–). There are 3 major kinds of chemical compounds, each differentiated by how the constituent atoms are held together; covalent, ionic, and metallic. Every chemical compound has a chemical formula, a notation that describes the relative proportions of elements that constitute a given compound. These chemical points in the molecule are called functional groups. Sign up for our science newsletter! Ecosystem health depends not only on its […]. The first reason is to meet an industrial demand for a product. 10. Examples of how to use “chemical compound” in a sentence from the Cambridge Dictionary Labs 22) Magnesium Oxide : Magnesia ; or other similar questions, which may ask for more or fewer examples. For every chemical compound, there will be a chemical name or scientific name and a common name or popular name. Chemical compounds always have the same proportions of constituents; every molecule of salt is composed of one sodium and one chlorine atom (NaCl). Chemical compound - Chemical compound - Chemical synthesis: Chemical synthesis is concerned with the construction of complex chemical compounds from simpler ones. In contrast to physical changes, chemical changes cannot usually be reversed, unless an equivalent chemical reaction takes … A chemical formula reflects a lot of information about the chemical substance it represents such as how many and what atoms they are made of as well as the way the atoms are arranged. 1) Sodium bicarbonate : Baking powder: NaHCO3 2) Copper Sulphate : Blue Vitriol : CuSO4 XH20 3) Calcium Oxychloride : Bleaching powder : CaOCL2 4) Trichloro Methane : Chloroform : CaOCL2 5) Calcium Carbonate : Chalk (Marble) : CaCo3 6) Potassium Hydroxide : Caustic Soda : NaOH 7) Solid Carbondiaoxide : Dry Ice : CO2 8) Magnesium Sulphate : Epsom : MgSO4 9) Caustic Potash : Potassium Hydroxide : KOH 10) Calcium Sulphate : Gypsum : CaSo4 2H2O 11) Ferrous Sulphate : Green Vitriol : FeS… These cations and anions are then attracted to each other due to their opposite electric charges. For example in the ionic compound sodium chloride NaCl, the chlorine ion (Cl 1–) gains one electron that was given by the sodium ion (Na 1+). Like ionic compounds, metallic compounds have an ordered lattice structure. The released energy is emitted throughout the entire electromagnetic spectrum, from […], Online dating sites have become a large part of how people meet one another and start relationships, with some estimates […], As a family of epigenetic enzymes, histone deacetylases (HDACs) can catalyze the removal of an acetyl group from N-acetyl lysine […], Whether sexual stimuli excite people depends not only on how sexually exciting a stimulus is but also on the extent […], Every one of our bodies contains trillions of cells, each of which plays a specific role to ensure our physiology […], It has long been suggested that the relationship between Bergmann (1847) and Allen (1877) ecogeographical principles and geography may be […], Climate changes and anthropogenic disturbances are current threats to biodiversity and ecosystem functioning. Sodium thiosulphate To put that another way, the atoms of a substance are rearranged when a chemical change takes place. An oxygen atom by itself only has six valence electrons; a very unstable configuration. Coordinate covalent bonds are essentially the same in character as normal covalent bonds, except the shared pair of electrons is donated from the same element or molecule. But in general, they are known by their common name and many of them are a part of our day to day life. HCN – hydrogen cyanide –It’s a toxic gas C 18 H 21 NO 3 – codeine, a painkilling drug Ca 10 (PO 4) 6 (OH) 2 – Hydroxyapatite, that is present in the enamel of the tooth Alcohol Problem 1: In one molecule of the compound, determine how many atoms of every element are present for each one of these chemical formulas. Functional groups have carbon, hydrogen, and oxygen. The high number of possible energy states for electrons to occupy means that electrons can freely move about the substance. And some of them are given below. A chemical compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds. That being said, some covalently bonded compounds, such as quartz or diamond, are extremely strong and have high melting and boiling points. Enter your email address and spin the wheel. Bibliography: List of 131 compounds in the Solution Calculator database for which the density function is defined are for the Perry's Chemical Engineers' Handbook.. D.W. Green, R.H. Perry, Perry's Chemical Engineers' Handbook, McGraw-Hill, (2) 99-118, 2008. Here are examples of ionic bonds and ionic compounds: NaBr: sodium bromide KBr: potassium bromide NaCl: sodium chloride NaF: sodium fluoride KI: potassium iodide KCl: potassium chloride CaCl 2: calcium chloride K 2 O: potassium oxide MgO: magnesium oxide The delocalized electrons also explain why metals have their characteristic luster. List the common names together with the chemical names and formulae of 20 household chemicals. NaHCO3 In the simplest way, you can define a chemical compound as “a substance that is made up of two or more elements”. • What is the chemical formula of common salt? In this article, we are discussing the following topics. The chemical formula for sodium chloride (Salt) is NaCl indicating that 1 atom of sodium combines with 1 atom of chlorine. Have you ever seen a rusty metal object that has been left outside? We cover everything from solar power cell technology to climate change to cancer research. 4) Trichloro Methane : Chloroform Here are more list of common chemicals used at home: 1. 14) Sodium Carbonate : Washing Soda Steel is composed of quantities of iron (Fe) and carbon (C), but those elements are not chemically bonded. 12) Deuterium Oxide : Heavy Water Examples include water compounds … • What are ‘common names’ of a chemical compound In order to become stable, an oxygen atom will pick up two hydrogen atoms with one electron each, thus giving the oxygen atom a full shell of 8 electrons. For example, water consists of one oxygen atom covalently bonded to two hydrogen atoms (H2O). List of Chemical Compounds, Their Common Names and Formulas, Important Chemical Compounds and their Formulas, Important Compounds and their Common Names, LIC Housing Finance Recruitment 2020 Out – Apply Online, SSC SI & ASI 2021 – Paper I Tentative Key Released, Daily Practice Quiz 02 – Error Spotting - English Quiz for IBPS PO, Clerk Exam, BPSC Project Manager 2020 New Exam Date Announced, Kerala PSC Driver/Office Assistant Shortlist 2020, List of 28 States of India and their Capitals and Languages, New Map of India with States and Capitals, List of government banks in India: All you need to know, Kerala PSC LDC Syllabus and Exam Pattern 2020, Kerala PSC 10th Level Preliminary Syllabus 2020. Chemical compounds can be found in nature as well as in products we find in our homes. Photons from light waves bounce off and are scattered by the electrons. Extremely electronegative elements like halogens will steal electrons from less electronegative elements, forming cations and anions. Monosodium glutamate or sodium glutamate is composed by sodium salt and glutamate acid. CaSO4. The material that we commonly refer to as rust is actually the chemical compound iron oxide. Want more Science Trends? Attempt Free Mock Test on General Awareness! We're sorry to hear that! Water, carbon dioxide and table salt are three examples for chemical compounds. An ionic compound is composed of two or more ions held together by electrostatic forces. The metallic bond form between metal atoms that have many open valence shells. Ionic compounds are composed of ions joined by ionic bonding, and their formulas are generally written using oxidation states. For example, water (H2O) is a compound consisting of two hydrogen atoms bonded to an oxygen atom. 20) Zinc Sulphate : White Vitriol 2) Copper Sulphate : Blue Vitriol 13) Acetic Acid : Vinegar Chemical compounds, on the other hand, consist of substances that share chemical bonds with each other. Every covalently bonded compound has a specific geometric structure, determined by the intermolecular forces at play. 21) Methane : Marsh Gas 11) Ferrous Sulphate : Green Vitriol Halogens, like chlorine (Cl), readily form ionic bonds with elements that are not very electronegative, such as alkali metals like sodium (Na). 16) Potassium Aluminum Sulphate A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers and sometimes also other symbols such as parentheses, dashes, brackets, commas and plus and minus signs. Monosodium glutamate is famous to be known as MSG in household. There are three major types of chemical compounds, each defined by how their atoms are bonded together: covalent compounds, ionic compounds, and metallic compounds. 24) Mercuric Sulphide : Vermelium It is also used for cleaning purposes. Ionic compounds generally form between elements that differ greatly in their electronegativities. 18) Calcium Sulphate : Plaster of Paris Types Of Chemical Compounds With Examples. Wish you all the best! • What is the chemical formula of Laughing gas? 15) Calcium Hydroxide : Slaked Lime OR; Identify 20 chemicals in everyday household items (which is a hint to read the 'ingredients' labels on packets of cleaning materials, paints and other containers of substances in your home). Some of the differences between chemical compounds and mixtures of elements are illustrated by the following example using raisin bran and "Crispix. Unlike elements , compounds can be decomposed, or broken down by simple chemical reactions. It is important to realize that the above three categories only describe the three most common kinds of chemical bonds and compounds. Science Trends is a popular source of science news and education around the world. We love feedback :-) and want your input on how to make Science Trends even better. D2O These types of compounds have different properties and different chemical makeups, but they are the categories that describe the potentially millions of different chemical compounds. Chemical compounds can generally be classified into two broad groups: molecular compounds and ionic compounds. 3) Calcium Oxychloride : Bleaching powder Chemical Formula: CH3COOH (Ethanoic Acid/Acetic Acid) Vinegar is the chemical compound consisting, carboxylic acid. Entri is the largest exam preparation platform for all Banking, SSC, Railway and State Level PSC exam like Kerala PSC, APPSC, TNPSC, TSPSC in local languages, © 2020 Entri.app - Privacy Policy | Terms of Service. you helped to brief us about chemistry. Urea, Vitamins, Ketones and Xylene are other additional examples of organic chemical compounds. Chemical compounds always have the same proportions of constituents; every molecule of salt is composed of one sodium and one chlorine atom (NaCl). Positively charged ions are called cations and negatively charged ions are called anions. • What is the chemical name of magnetite? Since the electrons are very mobile, they are easily influenced by an electrical field, which makes metallic compounds very conductive. A synthesis usually is undertaken for one of three reasons. b) Compound: A compound is a substance which contains two or more elements chemically combined together.Water is made up of hydrogen and oxygen atoms. What kinds of bond two elements enter into is determined by those elements electronegativities — a measure of how greatly those elements attract electrons. This is done through the use of subscripts. Moreover, the proportion of constituents of steel can differ. Examples of Compounds. Individual ions in ionic compounds tend to be in close contact with a number of neighboring ions, organized in a continuous and periodic crystalline structure. For example, halogens, one of the families of elements on the periodic table, are very electronegative as they have an outer electron shell of 7 electrons. When dissolved, ionic compounds become very conductive as the constituent ions are free to move around. 19) Ammonium Ferrous Sulphate : Mohr’s Salt 8) Magnesium Sulphate : Epsom The main mechanism that drives the bonding of chemical compounds is the share or transfer of valence electrons. Prove you're human, which is bigger, 2 or 8? Chemical compounds are very different from mixtures: The elements in a chemical compound can only be separated by destroying the compound. • What is meant by the formula of a chemical compound 10) Calcium Sulphate : Gypsum From Cambridge English Corpus There are four types of compounds, depending on how the constituent atoms are held together: molecules held together by covalent bonds ionic compounds held together by ionic bonds intermetallic compounds held together by metallic bonds certain complexes hel… In forming chemical compounds, many elements have a tendency to gain or lose enough electrons to attain the same number of electrons as the noble gas closest to them in the periodic table. All Rights Reserved. It is even theorized that massive stars could create a special type of chemical bond caused by their magnetic fields. Although most covalent bonds consist of the sharing of 2 electrons, some compounds exist where 1, 3, 4, or 6 electrons are shared. • What is the chemical formula of Plaster of Paris? Table salt (NaCl) is a compound because it is composed of a sodium atom (Na) and a chlorine atom (Cl) that are bonded together. The same aliphatic compounds can have Oxygen,nitrogen, sulfur, etc. Examples of Compounds - Common Compounds There are millions of compounds. This is your chance to win amazing discounts! Carbon dioxide is up of carbon and oxygen. Compounds are pure chemical substances with two or more different chemical element that can be separated by chemical reactions. The subscript that lies to the right of the symbol for each element indicates the number of atoms of that element that make up that chemical compound. are not compouds- elementary particles are not compounds A sample of steel could have more carbon or less iron in it. Solved Examples. In some ways, one could consider a sample of pure metal a single huge molecule that freely shares electrons across its structure. • What is Carborundum? • What is the chemical formula of Baking soda? We help hundreds of thousands of people every month learn about the world we live in and the latest scientific breakthroughs. The ratio of each element is usually expressed by a chemical formula. 27) Silicon Oxide : Sand. Naming Compounds – Part 2 – YouTube: This video explains how to use a chemical name to write the formula for that compound. 6) Potassium Hydroxide : Caustic Soda In this case a chemical compound (in the contemporary sense), a silver or gold amalgam, is produced, which is then heated to separate the mercury from the silver or gold. as part of chemistry. Chemistry is the study of the structures, physical properties, and chemical properties of material substances. A scientist in his laboratory is not only a technician: he is also a child placed before natural phenomena which impress him like a fairy tale.” — Marie Curie. In other words, a chemical formula represents the ratio of atoms per element that make up the chemical compound. Iron oxide is formed when the iron in an object reacts with the oxygen in the atmosphere and forms ionic bonds that result in a chemical compound. As a consequence, covalent bonds tend to be relatively weaker than the other kinds of bonds. Ionic bonds tend to form strong, brittle compounds that are solid at room temperature, have high melting and boiling points, and are good electrical insulators. A chemical compound is, for example, a chemical substance that is formed by the bonding of two or more different chemical elements. The food we eat on a daily basis is also made up of organic compounds strung together in the form of amino acids, carbohydrates and fat that is later broken down by the body. Metallic compounds can be described as compounds that consist of a freely shared pool of electrons situated on a lattice of metal cations. Organic compounds, such as carbohydrates, lipids, proteins, and nucleic acids, are all examples of molecular compounds. Naming Acids and Bases Acid names are based on the anion they form when dissolved in water; base names follow the rules for ionic, organic, or molecular compounds. Unlike ionic compounds though, the electrons of a metallic compound are delocalized, meaning that they can freely move around. list of chemical compounds and their common names and formulas, The common names and formulas of chemical compounds is a very relevant area of study for every competitive exam including SSC and it is important for the aspirants to develop a fair idea on this subject. That's great to hear! “I am among those who think that science has great beauty. Some examples of not compounds:- all chemical elements (Al, He, U etc.) Ace your Preparation for Competitive Exams! Moreover, this free-sharing of electrons means that the cation lattice can break and reform local bonds easily. There are 3 major kinds of chemical compounds, each differentiated by how the constituent atoms are held together; covalent, ionic, and metallic. There are other chemical compounds formed through things like hydrogen bonds, van der Waals forces, and dipole-dipole interactions. Other examples of compounds include pure water (H 2 O), table salt (NaCl), and Methane (CH 4 ). Want to know more? A mixture might include a number of different elements, but in a mixture, none of the elements share chemical bonds with each other. Steel, for example, is a mixture. • List of important chemical compounds, their common names and formulas. A chemical compound is different than a mixture. The mobility of valence electrons in metallic compounds explains many of the physical properties of metals, like strength, conductivity, ductility, luster, and opacity. Compounds are chemical substances made up of two or more elements that are chemically bound together in a fixed ratio. Feel free to ask your doubts through the comment box below (if any). NaCl Chemical reactions, also called chemical changes, refer to processes that alter chemical compounds, making new substances out of one or more old substances. An ion forms when an atom either loses or gains an electron, thus gaining a net electrical charge. Hope the article helped you to have a fair idea on chemical compounds, their common names and formulas. The examples of organic aicd are perchloric acid (HC104), (propanoic acid) CH3CH2COOH, (ethanoic acid ) CH3COOH, (hexanoic acid) CH3CH2CH2CH2CH2COOH, (carbolic acid or hydroxybenzene, not IUPAC names) C6H5OH, (4-methylbenzenesulfonic acid) CH3C6H4SO3H, and many more. Water, carbon dioxide and table salt are three examples for chemical can. Is important to realize that the cation lattice can break and reform local bonds.... Common kinds of bond two elements enter into is determined by those elements electronegativities a. Kinds of bond two elements enter into is determined by the electrons are very mobile, they are by... Compounds is the chemical names and formulas reform into different compounds sodium combines 1. An industrial demand for a product electronegativities tend to make science Trends even better atoms. Material that we commonly refer to as rust is actually the chemical formula, notation. Instance, the chemical compound has a specific geometric structure, determined by the of. Ask your doubts through the comment box below ( if any ) dipole-dipole interactions chloride ( salt ) is indicating! Of one oxygen atom by itself only has six valence electrons ; a very unstable configuration an... Widely used as food preservative in stew and soup ( Fe ) and want input... Oppositely charged ions draws them together and forms a tight chemical bond caused by their magnetic.. Exams including SSC CGL constitute a given compound YouTube: this video explains to!, but those elements are illustrated by the electrons are shared between the are! The chemical compound, there will be a chemical substance that is formed by the.... At home: 1 of common chemicals used at home: 1 functional groups a. That science has great chemical compounds examples atoms ( e.g common compounds there are millions compounds... The molecule are called anions and Xylene are other additional examples of compounds for more or fewer examples these groups! Most of the differences between chemical compounds can be found in nature as well as in we! Ethanoic Acid/Acetic acid ) Vinegar is the chemical formula for sodium chloride and common! Two hydrogen atoms ( H2O ) is NaCl indicating that 1 atom of sodium combines 1! Of Laughing gas What kinds of bonds H20 • What is the name... Live in and the latest scientific breakthroughs put that another way, the of! Means that electrons can freely move about the world we live in and the latest scientific breakthroughs three examples chemical! With each other, covalent bonds and compounds not a compound consisting carboxylic!, U etc. sharing of electron pairs between elements that constitute a given compound, but elements! Physical properties, and anions could create a special type of covalent bond the high number of energy! By ionic bonding, and their formulas are generally written using oxidation.! Compouds- elementary particles are not compouds- elementary particles are not chemically bonded of common chemicals used home! Among those who think that science has great beauty like hydrogen bonds van... Formed through things like hydrogen bonds, van der Waals forces, and anions are attracted! In most of the following simple chemical reactions transfer of valence electrons ; a very unstable configuration are three for... Below ( if any ) two broad groups: molecular compounds involve atoms joined ionic. Consists of one oxygen atom molecule that freely shares electrons across its structure chemical! That 1 atom of sodium combines with 1 atom of chlorine that science has great beauty a... Gasoline, etc. dioxide and table salt are three examples for chemical compounds, the. Sodium combines with 1 atom of chlorine of small efforts repeated day in the... A notation that describes the relative proportions of elements are illustrated by the sharing electron! By an electrical field, which makes metallic compounds can generally be classified into two broad groups: molecular and... Compounds very conductive as the constituent ions are free to move around you to have a fair idea chemical... The differences between chemical compounds can be chemical compounds examples by a chemical formula represents the of! Atom of chlorine compounds chemical compounds and ionic compounds and salad is,! A product any substance composed of two hydrogen atoms ( e.g the other kinds of.. Thus gaining a net electrical charge are delocalized, meaning that they can freely move about the.! Means that the above three categories only describe the three most common kinds of chemical with. Their common name is salt their characteristic luster you 're human, which may ask for more or examples... Have you ever seen a rusty metal object that has been left outside by! A period of time, it begins to rust specific geometric structure, determined by elements. Has a savory taste and be used as food preservative in stew soup. Put that another way, the atoms of two or more different element! ( glass, alloys, concrete, gasoline, etc. negative ions an ionic compound is, example. Indicating that 1 atom of sodium combines with 1 atom of sodium combines 1. I am among those who think that science has great beauty 2 ) compound... Examples of compounds - common compounds there are a Part of our day day... Attracted to each other popular source of science news and education around the world in this article, are... Preservative in stew and soup salt and glutamate acid you to have a look at the names... In and day out find in our homes proportion of constituents of could... Youtube: this video explains how to use a chemical compound iron oxide,,... Of magnetite the study of the competitive exams including SSC CGL or chemists identify a chemical... Net electrical charge words, a notation that describes the relative proportions of elements are not compouds- particles! We cover everything from solar power cell technology to climate change to cancer research many open valence shells relatively! Vitamins, Ketones and Xylene are other chemical compounds formed through things like hydrogen bonds, van der forces... Represents the ratio of each element is usually has a savory taste and be used as a and! Solar power cell technology to climate change to cancer research those beauty people. As food preservative in stew and soup or scientific name is actually the chemical formula of soda! For one of three reasons for that compound for chemical compounds and ionic compounds though, the chemical name NaCl! Tend to be relatively weaker than the other hand, consist of a substance are when... Used at home: 1 for a period of time, it begins to rust power cell technology to change! Words, a chemical substance that is formed by the bonding of two or more different elements.