1.

Make chemical formula of a compound when anelement X with valency +2 combines with a sulphate ion .​

Answer»

ANSWER:

EXPLANATION:

X ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀SO4

+2 ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀-2

XSO4

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