Explain the structure of methane.

Explanation

Methane i.e. `CH_(4)` is `sp^(3)` hybridised.
C in ground state : `2s^(2)2px^(1)2py^(1)` , C in excited state : `2s^(1), 2px^(1) 2py^(1) 2p_(z)^(1)`