Vocab 5

1. The process or effect of simplifying a single chemical entity into two or more fragments
9. Matter cannot be created nor destroyed the same # and type of atoms must be present after the chemical reaction
11. A representation of a chemical reaction using symbols of the element to indicate the amount of a substance
13. A compound of hydrogen and carbon
15. Simplest form of the equation/reaction
16. A chemical process in which a substance reacts rapidly w/ oxygen and gives off heat
19. Ion that contains more than one atom
20. Process that leads to the chemical transformation of one set of chemical substance to another

2. Tells us the number of atoms of each element in a compound
3. Number that comes after a symbol and below
4. Indicates that the reaction goes from the reactants to products
5. Substances formed due to chemical substances
6. Number in front of the formula
7. Positive or negative charge of an ion depends on e- configuration and # of valence e-
8. A reaction in which one element replaces a similar element in a compound
10. A substance that takes part in and undergoes change during a reaction
12. The construction of complex chemical compounds from simpler ones
14. An equation for a chemical reaction in which the # of atoms for each element in the reaction and the total charge are the same for both the reactants and the products
17. Set of rules to generate systematic names for compounds
18. A chemical reaction where two reactant iconic compounds exchange with the same ions