1. The electrons of an atom's outermost shell are called its _______________ electrons.

2. When an atom gives up an electron and acquires a positive charge, it is called a/an _______________.

3. If a pair of shared electrons are more attracted to one nucleus than the other, they form a/an _______________ bond.

4. Two molecules with the same atoms arranged in different order are called _______________.

5. What law of nature says that the total mass of the products of a reaction must equal the total mass of the reactants? _______________

6. Any substance that increases the rate of a reaction without being consumed by it is a/an _______________.

7. A/an _______________ is a mixture of two liquids that will separate from each other on standing.

8. Avogadro's number is the number of molecules in 1 _______________ of a substance.

9. A solution with a pH of 5 has a hydroxyl ion molarity of _______________.

10. All the synthesis reactions in the body form a division of metabolism called _______________.

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