Anode & Cathode
i believe it's electrodes. you may want to double check. It's definetley electrodes...I double checked!! Tee got a 100% its electrodes
Two types. By saying there are two 'types' you are already stating that there are 2 differentthings and so the word 'different' isn't necessary.
there are many different types of batteries because it has to actually fit into the right voltage of your item. Batteries also depend on quantity. Like for example, if you still have a Game Boy...
Crystalline solid and amorphous solid