01. Atom and Molecule
Atom:
An atom is the smallest particle of an element which can take part in chemical reaction. Atom consists sub-atomic particles like electron, proton, neutron etc.
Molecule:
Molecule is the smallest particles of substance and has free existance
eg. H2, N2,CO2, NH3 etc.
An atom is the smallest particle of an element which can take part in chemical reaction. Atom consists sub-atomic particles like electron, proton, neutron etc.
Molecule:
Molecule is the smallest particles of substance and has free existance
eg. H2, N2,CO2, NH3 etc.