How many valance electrons do atoms in group 1 group 2 and groups 15 to 17 have?

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group1: +1
group2: +2
group15: -3
group16: -2
group17: -1
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How do the outer-shell electron configurations for ions of elements from groups 1 and 2 and 15 and 16 and 17 compare with those of the noble gases?

Answer . Elements in Group 1 have 1 more electron than the noble gas in the row above it. Elements in Group 2 have 2 more electrons than the noble gas in the row above it