Question

what is the nomber of electrons inMg2+​

Answer 1

Answer:

Explanation:

The number of protons, neutrons, and electrons in an atom can be determined from a set of simple rules.

The number of protons in the nucleus of the atom is equal to the atomic number (Z).

The number of electrons in a neutral atom is equal to the number of protons

Answer 2

Hey mate here is ur answer

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Explanation:

Magnesium is found in the 1st groups of the periodic table and it is a metal having high melting and the boiling point.

As we all know that Atomic number is always equal to the number of electrons. So, Mg atom have the number of electrons equal to 12 as atomic mass of Mg is also a 12.

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