luthfipadasseri
28.08.2019 •
Mathematics
For each of the three ionic compounds, select which main group x belongs to. a.)x3po4 b.)cax2 c.)x2(so4)3
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Ответ:
b) Seventh because it has a valency of -1
c) Third because it has a valency of +3
Ответ:
angle 2 and 41and 3
Step-by-step explanation:
the lines bisects each other forming two equal but adjacent angles which are vertically opposite