Question

Give the names of the elements and number of atoms of
those elements, present in the following compounds.
(a) Sodium sulphate
(b) Quick lime
(c) Baking soda (NaHCO3) (d) Ammonia
(e) Ammonium dichromate
plz help me guys..! ​

Answer 1

Explanation:

a) Na2SO4 (sodium sulfate)

elements present are sodium, sulphur and oxygen.

b)CaO ( calcium oxide)

elements present are calcium and oxygen.

c) NaHCO3 (sodium bicarbonate)

elements present are sodium, hydrogen, carbon and oxygen

d) NH3 (ammonia)

elements present are nitrogen and hydrogen

e) (NH4)2Cr2O7 (commonly called as hexavalent chromium)

elements present are nitrogen, hydrogen, chromium and oxygen.

hope it helps

pace