In over a fossilized in the back yard what did she find

How are isotopes of the same chemical element alike? how are they different?

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.

‘which reaction would most likely require the use of an inert electrode?