Question

Question 4 Write the chemical formulae of the following: (a) Magnesium chloride (b) Calcium oxide (c) Copper nitrate (d) Aluminium chloride (e) Calcium carbonate

Class 9 - Science - Atoms and Molecules Page 44

Answer 1

a) MgCl2
b) CaO
c) Cu (No3)2
d) AlCl3
e) CaCo3

Answer 2

chemical formulae of :-

1) magnesium chloride:- MgCl₂

2) calcium oxide:- CaO

3) copper nitrate:- Cu(NO₃)₂

4) aluminium chloride:-  AlCl₃

5) calcium carbonate:- CaCO₃

hope it helps..