Question:
The element with the highest first ionization potential is:
The element with the highest first ionization potential is:
Updated On: Jun 7, 2022
- boron
- carbon
- nitrogen
- oxygen
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The Correct Option is C
Solution and Explanation
The first ionisation increases from left to right in a period. But nitrogen has greater ionisation energy than oxygen. The reason is that the electronic configuration of nitrogen $ (1{{s}^{2}}2{{s}^{2}}2{{p}^{3}}) $ is stabler than that of oxygen. Hence, nitrogen requires more energy to loose an electron then oxygen.
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Concepts Used:
Group 15 Elements
Group 15 elements are also known as nitrogen group elements or nitrogen family.
It consists of:
- Nitrogen (N)
- Phosphorus (P)
- Arsenic (As)
- Antimony (Sb)
- Bismuth (Bi)
- Moscovium (Mc)
They are present on the right side of the periodic table. All the elements are arranged based on their atomic weight. The elements with similar properties reside in a column called the group.
All Group 15 elements have the electron configuration ns2np3 in their outer shell, where n is the principal quantum number.
Periodic Trends in Group 15 Elements
