Chemistry, 21.01.2021 02:50 levenmartin6p3znbg
An atom of oxygen has six electrons in its outermost ring and requires two more to become stable. What is the valence number of oxygen? Question 5 options: +6 +2 –2 –6
+6
+2
–2
–6
Answers: 2
Chemistry, 22.06.2019 01:00
The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 3
Chemistry, 22.06.2019 04:10
Answer from each drop-down menu. e characteristics of a borane molecule (bh). the lewis structure and table of electronegativities are given olecular shape is and the molecule is reset next erved. search e a
Answers: 2
Chemistry, 23.06.2019 01:00
Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)
Answers: 3
An atom of oxygen has six electrons in its outermost ring and requires two more to become stable. Wh...
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