Q272
The fundamental particles present in the nucleus of an atom are
A.
Electron, proton
B.
Proton, neutron
AnswerC.
Neutron, electron
D.
Neutron, positron
Answer: Option B
Solution
Answer: Option B
Solution:
The nucleus is the positively charged centre of an atom and contains most of its mass. It is composed of protons, which have a positive charge, and neutrons, which have no charge.