salehabajwa101
29.07.2019 •
Chemistry
Elements in column (group) 7a (17) all form which ion? a 0 b +2 c -2 d +1 e -1
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Ответ:
hope this helps
Ответ:
A and B
Explanation:
Graphite (like in a pencil) is a material that can easily be smudged and shaded just by smudging it a little. Therefore I believe it's A or B