Z' element belongs to (second ) `2^(nd) ` group in the periodical table , Write the formula of oxide of it .

An element X is in group 13 of the periodic table. What is the formula of its oxide?

Give symbols for: a metal belonging to second group of the periodic table

An element belongs to group 17 and period 3 of the periodic table. Write the following: Its valency.

The element which belong to 3rd period and IVA group of periodic table is

A particular element belongs to group 13 and II period of the periodic table. It is

An element X belongs to group 14 and 2^(nd) period of the periodic table. Its atomic number will be

An element M is in the group 13 and period 3 modern periodic table write the formula of its oxide.

An element X belongs to group 17 and third period of the periodic table Give the formula of the compound formed when it combines with an element Y having valency three?