Molecule | Types of Molecules

Molecule: 
              The smallest particle of an element or compound which can exist independently is called molecule.
              It is made up of two or more atoms of similar or different elements.
Atomicity:
                 The number of atoms present in a molecule is called its atomicity.
Types of molecules 
Monoatomic Molecules:
                                     A molecule having only one atom is called monoatomic molecule.
Diatomic Molecules:
                                 A molecule having two atoms, similar or different is called diatomic molecule.
Homonuclear diatomic Molecules:
                                                    A molecule having two similar atoms is called homonuclear diatomic molecule.
Heteronuclear diatomic Molecule:
                                                    A molecule having the different elements is called heteronuclear diatomic molecule.  
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