For each element write the Noble gas notation 1. Oxygen
2. Calcium
3. Hydrogen
4. Copper
5. Neon
6. Cesium​

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.

What three things does a balanced equation show you?

In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?