Question

Mag magnesium on symbols and formulas symbols and valencies

Answer 1

Explanation:

SYMBOL - Mg

VALENCY - + 2

Atomic no. - 12

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Answer 2

Magnesium:

Symbol=Mg

Atomic number=12

Mass number=24

No. of neutrons=12

Electronic configuration:

K shell=2, L shell=8, M shell=2.

Valency=2

Valance electrons=2

Metal