Home / Physics / Question
MCQ
The nucleus of ³₂He has:
Physics
A 2 protons and 1 neutron
B 1 proton and 2 neutrons
C 2 protons and 2 neutrons
D 3 protons and 0 neutrons
Explanation

Atomic number 2 means 2 protons; neutrons = mass number - protons = 3 - 2 = 1 neutron.

Related MCQs

Speed of sound in air at room temperature is:
Physics View
Magnetic field exerts force on:
Physics View
Fringe width in Young\'s experiment is:
Physics View
The band gap of silicon is approximately:
Physics View
Unit of inductance is:
Physics View
Newton\'s Third Law states:
Physics View