For an element the successive ionisation energy value (in `eV " atom"^(-1)` ) are given below `12.32, 26.84, 44.56, 65.63, 203.9, 251.12, 308.4` The e

Question

For an element the successive ionisation energy value (in `eV " atom"^(-1)` ) are given below `12.32, 26.84, 44.56, 65.63, 203.9, 251.12, 308.4` The e

For an element the successive ionisation energy value (in `eV " atom"^(-1)` ) are given below `12.32, 26.84, 44.56, 65.63, 203.9, 251.12, 308.4` The element that satisfies the above values is :
A. Si
B. Ca
C. Al
D. S

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
Sudden jump is observed between `IE_(4)` and `IE_(5)`
thus valence electrons `= 4`
configuration of valence shell `= ns^(2)np^(2)`
Thus element belongs to p-block with 4 valence electrons

7 views Answered 2023-02-05 15:29