Consider elements N,P,O,S. Arrange them in the order of (a) increasing first ionization energy b) increasing negative electron gain enthalpy c) increasing non metallic character.
Answers
ionization energy depends upon the size of atom, effective nuclear charge, electronic configuration etc.
ionization energy α effective nuclear charge
α 1/size of atoms
and half filled, full filled configure atoms have more ionization energy.
arrangement of size is N < O < P < S
so, arrangement of ionization energy is S < P < O < N
(b) increasing order of negative electron gain enthalpy
normally, you can say that electron gain enthalpy is opposite nature of ionization energy.
it is directly proportional to size of atoms,
but when atoms have positive or lesser electron gain enthalpy when configuration of atoms are full filled or half filled.
so, arrangement is N < P < O < S
(c) increasing order of non metallic charater
left to right non-metallic character increases,
top to down non-metallic character decreases,
so, arrangement is P < S < N < O
(a) increasing first ionization enery
ionization energy depends upon the size of atom, effective nuclear charge, electronic configuration etc.
ionization energy α effective nuclear charge
α 1/size of atoms
and half filled, full filled configure atoms have more ionization energy.
arrangement of size is N < O < P < S
so, arrangement of ionization energy is S < P < O < N
(b) increasing order of negative electron gain enthalpy
normally, you can say that electron gain enthalpy is opposite nature of ionization energy.
it is directly proportional to size of atoms,
but when atoms have positive or lesser electron gain enthalpy when configuration of atoms are full filled or half filled.
so, arrangement is N < P < O < S
(c) increasing order of non metallic charater
left to right non-metallic character increases,
top to down non-metallic character decreases,
so, arrangement is P < S < N < O
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