Write the main postulates of Rutherford’s atomic model and the cause of failure of this model.

Write the postulates of Bohr’s atomic model.

State the postulates of Bohr’s atomic model.

Write the postulates of Bohr’s Atomic model and on the basis of this model find an expression for the wave number of a wave emitted by an electron when it jumps from an outer orbit to inner orbit.

Write the important postulates of the Dalton's Atomic Theory

Give two drawbacks of Rutherford’s atom model.

Discuss the main postulates of Werner’s coordination theory.