(a)
Interpretation:
An element from period two with lowest first ionization energy has to be predicted.
Concept-Introduction:
Ionization energy:
In a gaseous state of an isolated neutral atom, the amount of energy required to eject an electron from outermost shell is known as ionization energy. Ionization energy increases from left to right across periods due to increase of effective nuclear charge. Ionization energy decreases down the group due to addition of electrons enters into new orbital which is far from nucleus.
(b)
Interpretation:
An element from period two with lowest second ionization energy has to be predicted.
Concept-Introduction:
Ionization energy:
In a gaseous state of an isolated neutral atom, the amount of energy required to eject an electron from outermost shell is known as ionization energy. Ionization energy increases from left to right across periods due to increase of effective nuclear charge. Ionization energy decreases down the group due to addition of electrons enters into new orbital which is far from nucleus.
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