Question

Answer the following questions
1. An atom has 2 electrons in the first shell, 8 electrons in the second shell and 3
electrons in the third shell. Give its electronic configuration and find out the following.
a.Atomic number
b. Total number of principal quantum numbers in which the electrons are
present
c.Total number of sub shells.
d. Total number of s orbitals
Total number of p electrons
f. Total number of d electrons.

Answer 1

Answer: A 13

B 3

C 5

D 3

E 7

F 0

electronic configuration= 1s2 2s2 2p6 3s2 3p1

Explanation: