Hey There!
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Answer:
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a) Magnesium, 2.8.2, Group number 2,Metals, They are not non metals.
b) Fluorine, 2.2.5, Group number7, Metal No, Non-Metal yes
c) Carbon, 2,2,2. Group number 4, Metal No, Non-Metal yes
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Best Regards,
'Borz'
