Question

Shells of an atom are designated as
1,2,3,4
A,B,C,D
K,L,M,N
p,q,r,s​

Answer 1

Answer:

Shells of an atom are designated as.,...

K,M,L,N

hope itz help you...

Answer 2

Answer:

K,L,M,N

Explanation:

Shells of an atom are designated by the letters K, L, M, N,..... or the numbers, n = 1, 2, 3, 4,.....

hope it helps you