The orbit near the nucleus is called ……….
a) K-shell
b) L-shell
c) M-shell
d) N-shell
The second near orbit to the nucleus is called...
a) K-shell
b) L-shell
c) M-shell
d) N-shell
Electrons are distributed in shells according to the general formula……….
a) 2n2
b) 3n3
c) 4n4
d) 5n5
The maximum number of electrons in first orbit K is………
a) 32
b) 18
c) 8
d) 2
The maximum number of electrons in second orbit L is………
a) 32
b) 18
c) 8
d) 2
The maximum number of electrons in third orbit M is………
a) 32
b) 18
c) 8
d) 2
