speresenko
speresenko
09-03-2018
Chemistry
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I give 10 points for 3 tasks + BRAINLIEST!!!!
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zrh2sfo
zrh2sfo
09-03-2018
21. F, Cl and Br.
22.
Since it is in Group 3 it will have 3 valence electrons. When you draw the Lewis structure for Aluminum you'll put three
"dots" or valence electrons around the element symbol.
23.
you would need 2 group 17's for every 1 group 2
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