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12. A portion of the periodic table is shown.
Li || Be
Lithium and Beryllium
Na Mg
Magnesium and Sodium
Which pair of elements would have the same number of valence electrons?
Lithium and Sodium
Magnesium and Lithium
CLEAR ALL

Answer :

Phemmyemeraldgo

Answer:

A

Explanation:

because they both belong to the same group and both have one electron in there outermost shell..

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