Question

How many electrons,protons and neutrons are present in Mg​

Answer 1

Mg means magnesium

Its atomic number is 12

So it has 12 electrons and 12 protons its atomic Weight is around 24 amu so number of neutrons in it = 12

Answer 2

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=> electrons = Protons = atomic number

=> atomic number of Magnesium is 12

=> 12 electron

=> 12 protons

=> atomic Mass = number of proton + number of Neutrons

=> atomic mass of Magnesium is 24

=> 24 = 12 + number of Neutrons

=> number of Neutrons = 24 - 12

=> number of Neutrons = 12

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