1.

Account forfollowinga) lonisation Enthalpy of Nitrogen is greater than that of oxygenb) Atome radius decreases from left to right in a period.​

Answer»

Answer:

a) orbital in nitrogen is more stable than in oxygen, which has one electron more than the half-filled configuration. So, the ionization energy of nitrogen is more than that of oxygen

b)The atomic radius of atoms generally decreases from LEFT to right ACROSS a period. ... Within a period, protons are added to the NUCLEUS as electrons are being added to the same principal energy level. These electrons are gradually pulled CLOSER to the nucleus because of its increased positive charge.

Explanation:

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