Draw a sketch of Bohr’s model of an atom with three shells.
Bohr's model of atom:
The Bohr model of the atom was proposed by Neil Bohr in 1915. It came into existence with the modification of Rutherford’s model of an atom. Rutherford’s model introduced the nuclear model of an atom, in which he explained that a nucleus (positively charged) is surrounded by negatively charged electrons.
Postulates of Bohr's model of an atom: