Valence Electrons of Elements

10. Periodic Properties of the Elements / Valence Electrons of Elements / Problem 4

Problem 4

How many number of valence electrons each of the following elements possess.
Sn
Al
P
Br

3, 4, 5, 7

4, 3, 5, 7

7, 5, 4, 3

4, 5, 3, 7

How many number of valence electrons each of the following elements possess.SnAlPBr