Account for the following: Ionisation enthalphy of nitrogen is greater than that of oxygen

Accounting from the following : Ionization enthalpy of Nitrogen is greater than that of Oxygen.

Account for the following: Electronic gain enthalphy of F is less negative than that of Cl

Give justification, The first lonisation enthalpy of carbon is greater than that of boron, whereas the reverse is correct for the second ionisation enthalpy.

Give the reason for the following: The first ionisation enthalpy of oxygen is smaller compared to nitrogen.

The rate of diffusion of hydrogen is greater than that of oxygen. State the law.

In which one of the following paris the radius of the second species is greater than that of the first?

lonization potential of phosphorus is greater than that of sulphur because