Which of the following metals reacts slowly with cold water?

which of the following elements has the highest ionization energy?

The bleaching action of chlorine is through the process?

If 6.5g of magnesium ribbon reacts completely with Hydrochloric acid, how many grams of hydrogen gas would be liberated?

Mg(s) + 2 HCl(aq) --> MgCl 2(aq) + H 2(g)

[ H = 1.0, Mg = 24.0 ]

Calcium and magnesium belong to the group of the periodic table because both?