In methane(`CH_4`) molecule all four carbon-hydrogen bonds are identical and bond angle `HhatCH` is 109.28.how can we explain this?

All carbon-carbon bond length is same in molecule

The bond angle in HCH in the Methane molecule in

In which of the following species the inter atomic bond angle is 109^@ .28?

In which of the following species the inter atomic bond angle is 109^(@).28 ?

How hydrogen bond influences attractions between molecules.

The number of hydrogen bonds that can be formed by each borax acid molecule.

(A): H,0 is thermally more stable than H_(2)S (R): H_(2)O molecules can form inter-molecular hydrogen bonds where as H_(2)S molecules can not.

Eventhough, nitrogen in ammonia is in sp^3 hybridization, the bond angle is not 109^(0) 28' ,Explain.

An element 'M' reacts with chlorine to form the compound MCI_4 . In this compound no lone pairs are present and the bond angle is 109^@ 28^1 . What is 'M'?