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Many chemical elements of the periodic table can combine to form compounds. However, not all of the elements combine in the same way. It is important to take the individual properties of each element into account before writing the chemical compound that forms from combining them.
Compounds require chemical means to separate them into elements and/or simpler compounds. Sodium chloride, also known as table salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.
The simple synthesis reactions are: Metal + Non-Metal = Ionic Compound If you know the charges that each element prefers when it's an ion, it will be easy to predict the products.
Chemists use nomenclature rules to clearly name compounds. Ionic and molecular compounds are named using somewhat-different methods. Binary ionic compounds typically consist of a metal and a nonmetal. The name of the metal is written first, followed by the name of the nonmetal with its ending changed to –ide.
This lecture covers how covalent and ionic bonds hold elements together to form elements and compounds.
Elements. Any substance that contains only one kind of an atom is known as an element. Because atoms cannot be created or destroyed in a chemical reaction, elements such as phosphorus (P 4) or sulfur (S 8) cannot be broken down into simpler substances by these reactions.
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