Choose the most reactive of the pair.
A. Ni+2
B. Li+

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

In apex! a liquid heated beyond a certain temperature becomes

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5