shamim3587 shamim3587

28-09-2017
Chemistry

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How to find the mass number of an atom with 45 neutrons and 35 electrons?

Respuesta :

AlgoShot AlgoShot

01-10-2017

Mass number = protons + neutrons
protons = electrons
so 35 electrons = 35 protons

So 35 protons + 45 neutrons =
80

The element is Bromine with the symbol: Br

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