9. Consider a magnesium atom with charge +2. How many overall electrons are on this particle? Hint: Magnesium's atomic number is 12.
10
12
14

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

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.