Question

The alpha particles used by Rutherford for
bombarding the gold foil :
(a) have a mass of 2 amu charge +4
(b) have a mass of 4 amu and charge +2
(C) have a mass of 4 amu and charge +4
(d) have a mass of 1 amu and charge +1​

Answer 1

Answer:

(b)

Explanation:

Alpha particle is 2He4 (+2).

So mass is 4 amu and charge is +2.

Answer 2

Answer:

b)have a Maas of 4 u and charge +2

hope it helps