Question

g. Following are the chemical formulae
of some compounds. List the elements
present and the number of atoms
in each compound.
i. CaCO3
ii. KNO3
iii. H2SO4
it. NaOH​

Answer 1

Answer:

1.calcium carbonate

2.potassium nitrate

3.sulphuric acid

4.caustic soda

Answer 2

Answer:

hey mate hope it helps u

Explanation:

i) elements present: calcium,carbon, oxygen

no.of atom: calcium=20 carbon= 6 oxygen=8

ii) elements present:pottasium, nitrogen, oxygen

no. of atom: pottasium= 19, nitrogen=7 oxygen=8

iii) elements present: hydrogen, sulphur, oxygen

no.of atom: hydrogen=1 , sulphur=16 oxygen=8

iv) elements present: sodium, oxygen, hydrogen

no.of atom: sodium=. oxygen-8 hydrogen-1