Sagot :
Answer:
Correct option is
C
S (16) = 2, 6, 8
Shell
K
L
M
N
Maximum number of students
2
8
18
32
Thus, electrons are filled in shells in the above manner. So,
For Be : Z = 4 ; K = 2; L = 2
For O : Z = 8 ; K = 2; L = 6
For S : Z : 16 ; K = 2; L = 8; M = 6
For P : Z = 15 ; K = 2; L = 8; M = 5