Q8 of 94 Page 440

In beta decay, an electron (or a positron) is emitted by a nucleus. Does the remaining atom gets oppositely charged?

The answer is yes. This is because in case of beta decay an electron comes out from the atom and thus the atom gets oppositely charged as it becomes an ion.


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What is the difference between cathode rays and beta rays? When the two are travelling in space, can you make out which is the cathode ray and which is the beta ray?

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If the nucleons of a nucleus are separated from each other, the mass is increased. Where does this mass come from?

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When a boron nucleus (10B) is bombarded by a neutron, an α-particle is emitted. Which nucleus will be formed as a result?

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Does a nucleus loss mass when it suffers gamma decay?