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25 September, 02:44

What is the mass number of an atom thy contains 42 protons, 42 elections, and 53 neutrons

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  1. 25 September, 05:21
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    The mass number of an atom that contains 42protons and 42 electrons with 53 neutrons is calculated is the mass number = numbers of protons + number of electrons

    42+53=95
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