Question

hi all what is the valency of lead​

Answer 1

Answer:

you can find it by vsepr( valence shell electron pair repulsion theory.)

Answer 2

Answer:

2

Explanation:

Down the group, the heavier atoms have d-orbitals in them which are poor shielders of the nuclear charge by the nucleus. Therefore, the atoms are attracted by the nuclear charge which can't be lost by small amount of energy. Lead is more stable in valency 2 than 4. Hence, lead shows the valency of 2