kat6hmoAngera kat6hmoAngera

16-12-2016
Mathematics

contestada

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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scme1702 scme1702

20-12-2016

a) First because it has a valency of +1

b) Seventh because it has a valency of -1

c) Third because it has a valency of +3

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