Choose the correct options for the following questions.
Nucleus of a hydrogen atom may contain:
Difficulty: Easy
A:
One neutron only
B:
Two protons and one neutron
C:
Two protons and two neutrons
D:
One proton only
The particle which is 7000 times more massive than the electron is called:
Difficulty: Easy
A:
Proton
B:
$\gamma-ray$
C:
$\alpha$ particle
D:
Meson
The ratio of number of protons and the number of neutrons is:
Difficulty: Easy
A:
Almost one in lighter elements
B:
Greater than one in heavy elements
C:
Smaller than one in heavy elements
D:
Both a and c
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