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Standard XII
Physics
Nucleus: Common Terms
The radioacti...
Question
The radioactive isotope of hydrogen contains 2 neutrons.
A
True
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B
False
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Solution
The correct option is
A
True
Tritium (
H
3
1
) is the radioactive isotope of hydrogen with mass no.
=
3
& atomic no.
=
1
.
Therefore, no. of neutrons
=
3
−
1
=
2.
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