Atomic Size: Determine which of the following element pairs is the larger one 1. Carbon or Fluorine

2. Iodine or Fluorine

3. Krypton or Argon

4. Hydrogen or Potassium

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

The limiting reactant(s) appeared to be

Chemical bonds result from the interaction of the from two or more atoms. a. protons b. electrons c. neutrons d. nuclei