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What is the mass number of an atom with 76 protons, 76 electrons and 114 neutrons

What is the mass number of an atom with 76 protons, 76 electrons and 114 neutrons
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What is the mass number of an atom with 76 protons, 76 electrons and 114 neutrons

User Abhimanyuaryan
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1 Answer

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Mass number = number of protons + number of neutrons

= 76 + 114 = 190u

(Mass of proton and neutron are 1u while mass of electrons are negligible)
User Parasrish
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