hernandezeliana486 hernandezeliana486

22-09-2021
Chemistry

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Use the periodic table to identify the number of core electrons and the number of valence electrons in each case below.Magnesium (Mg): 1s22s22p63s2

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dryamaryame1997 dryamaryame1997

22-09-2021

Answer:

1s1

2s2/2p6

3s2⇨⇨ period 3 - group 2

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Nightpheonix22 Nightpheonix22

23-09-2021

There’s 2 valence electrons in Mg

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