Question

Write electronic configuration of godalinium (z=64),scandium(z=21).What are interstital compound?

Answer 1

The format of electronic configuration is

2,8,8,18,18 and so on...

for z=64 it will be

2, 8 ,8, 18, 18 ,10

for z=21 it will be

2, 8,8,3

hope it helps.