Which one of the elements has the highest ionisation energy?

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Which one of the elements has the highest ionisation energy?

Options

(a) [Ne] 3s²3p¹
(b) [Ne] 3s²,3p²
(c) [Ne] 3s²,3p³
(d) [Ar] 3d¹°4s²4p²

Correct Answer:

[Ne] 3s²,3p³

Explanation:

Exactly half-filled orbitals have extra stability.

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Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)

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