Question

5. Write the compounds formulae and valency of the elemet
Compounds
First name First Second Second
Molecular formulad
of the
element element element
of the compound
element valency in symbol valency in
in the
the
in the the
compound compound compound compound
Aluminum oxide
Magnesium chloride
Hydrogen chloride
Calcium oxide
Hydrogen Sulphide
Carbon tetrachloride​

Answer 1

Answer:

Aluminum oxide

Al₂O₃

Magnesium chloride-

MgCl₂

Hydrogen chloride

HCl

Calcium oxide

CaO

Hydrogen Sulphide

H ₂S

Carbon tetrachloride

CCl₄

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