Answer:
All of these
option a to f are molecule
Explanation:
Molecule:
Molecule is formed when two or more than two atoms of an element combine chemically.
N₂O₄ is a molecule where Nitrogen combine with oxygen through covalent bond.
The name of this compound is Dinitrogen tetraoxide.
Na₂CO₃ is a Compound where sodium carbon and oxygen combined to form a Compound.
Its name is sodium carbonate.
CClF3 is a Compound: It is a polar Compound
It named as Chlorofloromethan.
OBr₂ is polar Molecule. This molecule consist of oxygen and Bromine atoms and a covalent compound.
It named as oxygen dibromide.
FeSO₄ is a compound . it consists of iron Oxygen and sulfate atoms.
It named as Iron Sulfate.
LiBr is molecule. it is ionic in nature and Known as molecular compound
It named as Lithium bromide.
All molecule can not be compound as some molecule have same type of atom such as ozone or hydrogen molecule., but all compounds are molecule, so with this concept all of these are molecule.
