britneybt70 britneybt70

13-01-2018
Chemistry

contestada

Ow many valence electrons do atoms in group 1, group 2, group 15, group 16, group 17 have?

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Joe4511 Joe4511

13-01-2018

Group 1 ( alkalis metals) - 1 valence electron

Group 2 ( alkaline earth metals) - 2 valence electrons

Group 15 ( pnictogens or nitrogen group)
- 5 valence electrons

Group 16 ( chalcogens or oxygen group) - 6 valence electrons

Group 17 ( halogens ) - 7 valence electrons

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