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Mkey [24]
3 years ago
6

Use the periodic table to identify the number of core electrons and the number of valence electrons in each case below.Magnesium

(Mg): 1s22s22p63s2
Chemistry
2 answers:
amm18123 years ago
3 0

Answer:

1s1

2s2/2p6

3s2⇨⇨ period 3 - group 2

laila [671]3 years ago
3 0
There’s 2 valence electrons in Mg
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