Question

a) An element X belongs to the second group of the periodic table. What is the formula of its oxide?

b) Will it be a metal or a non metal? Justify.​

Answer 1

a) An element X belongs to second group forms it's oxides as alkaline oxides and hydroxides......

b) It's a metals, because in periodic table on left of it all are metals.........

Answer 2

a.if, it is caO or MgO2 or BaO2

b. it will be a metal, because it

was named as alkali earth metals