Question

(1) Rutherford's alpha particle scattering experiment led to the discovery of :
(a) Nucleus (b) Neutrons (c) Electrons (d) Protons

(2) Which of the following is the correct electronic configuration of sodium?
(a) 2, 8, 1 (b) 8, 2, 1 (c) 2, 1, 8 (d) 2, 8, 2

Answer 1

a) Nucleus

b) 2,8,1

is your answer

Answer 2

Answer :

(1) Option (a) Nucleus

(2) Option (a) 2, 8, 1

Explanation :

(1) Rutherford's alpha particle scattering experiment led to the discovery of nucleus.

(2) 2, 8, 1 is the correct electronic configuration of sodium.