Display electron distribution around the oxygen atom in water molecule and state shape of the molecule, also write H-O-H bond angle.

The H-O-H angle in water molecule is about

Explain why BeH_2 molecule has a zero dipole moment although the Be-H bonds are polar.

If molecule contain three bond pair and two lone pair of electrons. The shape of molecule is

F-Be-F is a liner molecule but H-O-H is angular. Explain.

The bond angle in H_(2)O molecule is less than that of NH_(3) molecule because__________.

Explain the formation of H_2 molecule on the basis of valence bond theory.

Draw electron-dot structures with circles and line structures of the following molecules : Oxygen (O_(2))

Draw electron-dot structures with circles and line structures of the following molecules : Hydrogen (H_(2))

The energy of an electron in an excited state of hydrogen atom is -1.51 eV . Calculate the angular momentum of the electron in this state. h = 6.63 xx 10^-34 Js

Write the number of covalent bonds in the molecules of butane, C_(4)H_(10) .