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

Find out the valencies of first 20 elements.

Find out the valencies of the first twenty elements .

Find out the number of valence electrons and valency of the atoms represented in the following figures.

Find out the number of valence electrons and valency of the atoms represented in the following figures.

Find out the number of valence electrons and valency of the atoms represented in the following figures.

Find out the number of valence electrons and valency of the atoms represented in the following figures.

Valency Of An Atom Or Ion

In the given figure,triangle represents the healthy ,square represents the old,and circle represents the men.Find out the area of the figure which represents the"men who are healthy but not old".