Question

An element x has a valency of 2, write the chemical formula for
(1)Bromide of the element
(2) oxide of the element

Answer 1

Hey Mate..

Let the element be magnesium..

Then ,

(1)MgBr2 (Magnesium bromide)

(2)MgO (Magnesium oxide)

Hope it helped;-);-);-)

Answer 2

Calcium can be element with valency 2 .

1)CaBr2

2)CaO