Question

Explaination about valency

Answer 1

Answer:

a measurement of the power of an atom to combine with others, by the number of hydrogen atoms it can combine with or take the place of

Answer 2

Answer:

valency is just the combining capacity of an atom.

for example let is take oxygen,

atomic number of oxygen is 8

so electronic configuration is 2,6

there are 6 Valence electrons in the outer most shell so, 8-6=2 so the valency of oxygen is 2.

hope it helped.