What valency will be shown by an element having atomic number 15 ?

What valency will be shown by an element having atomic number 12 ?

What valency will be shown by an element having atomic number 12 ?

(a) Define valency of an element. What valency will be shown by an element having atomic number 14 ? (b) What is the relation between the valency of an element and the number of valence electrons in its atoms ? Explain with examples.

What valency will be shown by an element having atomic number 12?

The maximum valency of on element having atomic number seven

The valency of an element with atomic number 15 is

What is the number of valence electrons in the atoms of an element having atomic number 13 ? Name the valence shell of this atom.

What is the number of valence electrons in the atom of an element A having atomic number 17 ? Name the valence shell of this atom.