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Ionic&CovalentBonds
| Terms | Definition |
|---|---|
| law of conservation of mass | fundamental principle or science stating that mass cannot be created or destroyed |
| reactant | present before a chemical reaction occurs |
| ionic bonds | chemical bond in which one atom gives up electrons. |
| covalent bond | chemical link between 2 atoms that share electrons |
| compound | combination of 2 or more elements |
| subscript | symbol, usually a letter or a number placed below and to the right of a character |
| coefficent | a number placed in front of a formula to indicate the number of molecules present |
| balanced chemical equation | mathematical representation of a chemical process |
| chemical formula | set of symbols used to describe the elements within a substance |
| product | substance that is formed during a chemical reaction |
| C | = no subscript and 1 carbon atom |
| balancing equations | equal number of atoms on both sides. |
| unbalanced equation | change the coefficient to make all atoms equal |
| step 1 | count the number of atoms of each element |
| step 2 | check to see if they are all balanced |
| step 3 | change the coefficient until all are balanced |
| arrow | represents the chemical equation |