Question

(1). Rutherford’s alpha-particle scattering experiment was responsible

for the discovery of

(a) Atomic Nucleus (b) Electron

(c) Proton (d) Neutron

(2). Isotopes of an element have

(a) the same physical properties

(b) different chemical properties

(c) different number of neutrons

(d) different atomic numbers.
​

Answer 1

Answer:(1). Atomic Nucleus

(2). Same physical properties but different chemical properties

Step-by-step explanation:

Answer 2

Step-by-step explanation:

1.(a) atomic nucleus

2.(c) diff. no. of neutrons

hope it helps ☺️☺️