Question

i)what is molecular formula ? state with examples what information can drived from a molecular formula.
ii) write the names of the compounds represent by the following formulas:
a) Mg(No3)2
b) K2So4
c) Ca3N2

Answer 1

molecular formula is the combination of of elements and atom
a magnesium nitrite
b potassium sulphate
c calcium nitrite

Answer 2

hellooo...!!

A chemical formulathat shows the total number and kinds of atoms in a molecule,

1. magnesium nitrate
2. potassium sulphate
3. calcium nitrate

hope this helps you!!