Q.

Is it true that the mass of an atom is concentrated in the nucleus?

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a

True

b

False

answer is A.

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Detailed Solution

The given statement is true.

The mass of an atom is contributed by the proton and neutron. An electron has a negligible mass which does not contribute much to the mass of an atom. As protons and neutrons lie inside the nucleus, so the mass of an atom is majorly present in the nucleus.

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