How bond energies and bond lengths of molecule help us in predicting their chemical properties? Explain with examples.

How do the positions of elements in the periodic table help you to predict its chemical properties ? Explain with and example .

What is a pi bond? Explain with two examples.

What is pi bond? Explain with thwo examples.

How many sigma and pi bonds are in O_2 molecule?

The bond angle in water molecule is

All carbon-carbon bond length is same in molecule

The bond angle in methane molecule

What is the bond angle in a molecule?

The number of bonds in nitrogen molecule is

Carbon - carbon bond length of 139 pm is observed in the molecule