An element $\mathrm{X}$ has mass number $28$ and atomic number $14$. How many neutrons does its atom contain?

Atomic number of magnesium is $12$ and its mass number is $24$. Calculate the number of electrons, protons and neutrons in the ion formed. Represent the ion.

The atom of an element $X$ has $7$ electrons in its $M$ shell.

Write the electronic configuration of element $X$.

The atom of an element $X$ has $7$ electrons in its $M$ shell.

What is the atomic number of element $X$?

The atom of an element $X$ has $7$ electrons in its $M$ shell.

Is it a metal or a non-metal ?

The atom of an element $X$ has $7$ electrons in its M shell.

What type of ion will be formed by an atom of element $X$ ? Write the symbol of the ion formed.

The atom of an element $X$ has $7$ electrons in its $M$ shell.

What could element $X$ be ?