Define valency of an element with respect to hydrogen.
The valency of an element is defined as the number of hydrogen atoms which combine with one atom of it.
Define the following
1 Valency of an element with 5 eg.
2 Valence electron of an element with 5 eg.
(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.