Chemical cells and batteries Flashcards
(5 cards)
1
Q
metals tend to loose electrons and form…
A
positive ions
2
Q
when two metals are dipped in a salt solution and joined by wire what will happen
A
the more reactive metal will donate electrons to the less reactive metal
3
Q
the greater difference in the reactivity in the metals=
A
higher the voltage
4
Q
cells only produce electricity if what
A
the metals are different reactivity
5
Q
rechargeable batteries reactions can be…
A
reversed when we apply an electrical current