Explain why moon has no atmosphere.

The moon moves across the sky at approximately 0.5^@ per hour. What you would see,if the moon had an atmosphere like the earth?

Explain the fixing of atmospheric nitrogen.

Explain why cation has smaller size than neutral atom.

Explain why an anion has larger size than neutral atom.

Explain why propanol has higher boiling point than that of the hydrocarbon,butane?

Explain why propanol has higher boiling than of the hydrocarbon butane ?

Explain why there is fall in temperature with altitude?