Write the molecular formulae for the oxides and sulphides of following elements present.

(a) Sodium (b) Calcium

(c) hydrogen

Open in App

Solution

(a) Sodium oxide $N a_{2} O$
Sodium sulphide $N a_{2} S$
(b) Calcium oxide CaO
Calcium sulphide CaS
(c) Hydrogen oxide $H_{2} O$
Hydrogen sulphide $H_{2} S$

Suggest Corrections

Similar questions

Write the chemical formulae of the following.

(a) Hydrogen sulphide

(b) Aluminium oxide

(c) Sodium nitrate

(d) Calcium hydroxide

Q. Work out the formulae for the following compounds :
(a) Sodium oxide
(b) Calcium carbonate

Q. Give the formulae of the compounds formed from the following sets of elements :
(a) calcium and fluorine
(b) hydrogen and sulphur
(c) nitrogen and hydrogen
(d) carbon and chlorine
(e) sodium and oxygen
(f) carbon and oxygen

Question 12
Write the molecular formulae for the following compounds

(a) Copper (II) bromide
(b) Aluminium (III) nitrate
(c) Calcium (II) phosphate
(d) Iron (III) sulphide
(e) Mercury (II) chloride
(f) Magnesium (II) acetate

Question 15
Give the formulae of the compounds formed from the following sets of elements

(a) Calcium and fluorine
(b) Hydrogen and sulphur
(c) Nitrogen and hydrogen
(d) Carbon and chlorine
(e) Sodium and oxygen
(f) Carbon and oxygen

Join BYJU'S Learning Program

Explore more

Significance of a Molecular Formula

Standard VIII Chemistry

Join BYJU'S Learning Program

Write the molecular formulae for the oxides and sulphides of following elements present. (a) Sodium (b) Calcium (c) hydrogen

(a) Sodium oxide Na2O Sodium sulphide Na2S (b) Calcium oxide CaO Calcium sulphide CaS (c) Hydrogen oxide H2O Hydrogen sulphide H2S

Write the molecular formulae for the oxides and sulphides of following elements present.

(a) Sodium (b) Calcium

(c) hydrogen

(a) Sodium oxide $N a_{2} O$
Sodium sulphide $N a_{2} S$
(b) Calcium oxide CaO
Calcium sulphide CaS
(c) Hydrogen oxide $H_{2} O$
Hydrogen sulphide $H_{2} S$