Describe the shapes of 2s and 2pz atomic orbitals.

What is overlapping of atomic orbitals?

Describe the variations in shape and size of cells.

The correct order of increasing energy of atomic orbitals is

The correct order of total number of node of atomic orbitals is :

Describe the orbital picture of C_2H_2 .

While filling up of electrons in the atomic orbitals, the 4s orbital is filled before the 3d orbital but reverse happens during the ionisation of the atom. Explain why?

Describe Bohr's model of atom.

Draw the shapes of all d-orbitals.

Describe the orbital picture of C_2H_4 .