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When an oxygen atom forms an ion, it gains two electrons. Identify the electrical charge of the oxygen ion. A. -1 B. +1 C. -2 D. +2
answered
Aug 17, 2017
Chemistry
high-school
4
votes
142k
views
Select the choice that translates the following verbal phrase correctly to algebra: w increased by 15 15w 15 − w w + 15 w ÷ 15 plz help
answered
Jul 17, 2017
Mathematics
high-school
6
votes
150k
views
What are the common multiples of 2,5 and 10? THIS IS WORTH 55 POINTS,SO ANSWER WISELY!
answered
Jan 18, 2017
Mathematics
middle-school
3
votes
20.0k
views
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