VALENCY OF AN ATOM

Valency of N - atom in amines is___________.

The valency of C atom in CH_4 is

Find out the valency of the atoms represented by the Figure (a) and (b).

In CaO , the valency of each atom is _______________ .(one/two/three)

The valency of C atom in C Cl_4 is

Find out the valency of the atoms represented by the Figure (a) and (b).

An electronic configuration of an atom is 2, 8, 7. The valency of the atom 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.