Question

an element x has 3 shells.
its third shell 6 electrons.
write its subshell electronic configuration?
find it's block group?
what is it's valancy?​

Answer 1

Answer:

K=2,L=8,M=3

sum=13

Explanation:

valancy=3 because its last shell M has

3 shell

pls let me know if this is correct..á