Different types of Molecules with examples in chemistry

A molecule is formed by the chemical combination of atoms. It is the smallest unit of a substance. It shows all the types of Moleculesproperties of the substance and can exist independently. There are three major types of molecules such as heteroatomic molecules, homoatomic molecules, and triatomic Molecules depending upon the number and types of atoms combining.

Let us explain all three types of molecules with examples.

  • A molecule consisting of only one atom is called a monoatomic molecule. For example, the inert gases helium, neon, and argon all exist independently in atomic form and they are called monoatomic molecules.
  • If a molecule consists of two atoms, is called a diatomic molecule. For example Hydrogen (H2), oxygen (O2), Chlorine(Cl2), and hydrogen chloride(HCl).
  • If it consists of three atoms, it is called a triatomic molecule. For example H2O and CO2.
  • If a molecule consists of many atoms, it is called a polyatomic molecule. For example, methane (CH4), sulphuric acid (H2SO4), and glucose (C6H12O6).
  • A molecule containing the same type of atoms is called a homoatomic molecule. For example, hydrogen (H2), ozone (O3), sulfur (S8), and phosphorus (P4) are examples of molecules by the same type of atoms.
  • When a molecule consists of different kinds of atoms, it is called a hetero-atomic┬ámolecule. For example CO2, H2O, and NH3.

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