What is orbital? Draw the shapes of 2p and 3d orbitals.

Draw the shape of methyl cation?

What is parking orbit?

What is molecular orbital?

What is orbital velocity? Derive it expression.

What is the shape of SO_3 molecule?

Why in the building of the atom, the filing of 4s orbitals takes place before 3d orbital?

What is quantum number? Which quantum numbers are associated with shape and orientation of orbitals?

Explain why there is no existence of 2d orbital.

The radius of the inner most electron orbit of a hydrogen atom is 5.3xx10^(-11) m. Find out the radii of the n=2 and n= 3 orbits?