1. The Law of Definite Proportions states

2. ________________ compounds are made up of two elements.

 
3. The sum of the oxidation numbers in a compound must equal

 
4. The oxidation number of an ion is equal to its ____________________.

 
5. Never write subscripts or coefficients of ____________.

 
6. Describe when parenthesis are used in a chemical formula.

7. The _______________ half of a binary compound formula is always written first.

 
8. Describe when parenthesis are used in a chemical name.

9. In a chemical formula, subscripts represent

 
10. In a chemical equation, coefficients represent

11. To determine the total oxidation number for an element in a formula, multiply

 
12. The chemical formula for the only commonly used positive polyatomic ion is ______________.

13. The two common oxidation numbers for iron are _______________________.