Question

Write the chemical formula of the following compounds using the crisscross method (Note: Write all three steps)

a. Sodium chloride
b. Magnesium phosphate
c. Aluminium sulphate

Answer 1

Answer:

sodium chloride

Explanation:

hope you understand

Answer 2

follows:

(a) Magnesium chloride = MgCl

2

(b) Calcium oxide = CaO

(c) Copper nitrate = Cu(NO

3

)

2

(d) Aluminium chloride = AlCl

3

(e) Calcium carbonate = CaCO

3