Question

,
Explain Shell of Elements in
periods & groups​

Answer 1

Answer:

All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor. Arranged this way, groups of elements in the same column have similar chemical and physical properties, reflecting the periodic law.

Answer 2

Answer:

k shell has 2 elements L sheel has 8 elements M shell has 18 elements and N sheel has 32 elements