# Atomic Structure MCQ Question with Answer

## Atomic Structure MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 1
Charge on fundamental particle neutrino is

0
+1
-1
None of these

Question No : 2
The fundamental particle that has least mass is

meson
alpha-particle
electron
neutron

Question No : 3
Which of the following has the highest mass?

Neutron
Alpha particle
Electron
Deuterium

Question No : 4
Cathode rays contain a stream of

$n$
$r$
${}_{+1}e^{0}$
${}_{-1}e^{0}$

Question No : 5
Mass of positron is the same to that of

proton
meson
electron
neutron

Question No : 6
The exchange of particles considered responsible for keeping the nucleons together are

meson
electron
positron
neutron

Question No : 7
Charge on an electron was shown by

J. J. Thomson
Kirchoff
Ohm
M.Planck