10srules 10srules

13-06-2017
Chemistry

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When a beta particle is released from the nucleus of an atom:

the number of electrons in the atom decreases by one

the number of electrons in the atom increases by one as the beta particle leaves the nucleus and joins the valence electrons

the mass number of the atom remains the same

the mass number of the atom decreases

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nap14hockey nap14hockey

13-06-2017

Use the chem reference tables. Beta decay is 0/1e. So the mass number stays the same

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