Which of the following electronic configuration an atom has the lowest ionisation enthalpy?
Options
(a) 1s²2s²sp³ (b) 1s²2s²2p⁵3s¹ (c) 1s²2s²2p⁶ (d) 1s²2s²2p⁵
Correct Answer:
1s²2s²2p⁵3s¹
Explanation:
No explanation available. Be the first to write […]
The electronic configuration of four elements are given below. Which elements does not belong to the same family as others ?
Options
(a) [Xe]4f¹⁴5d¹°1s² (b) [Kr]4d¹°5s² (c) [Ne]3s³3p⁵ (d) [Ar] 3d¹°4s²
Correct Answer: […]
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 […]
What is the value of electron gain enthalpy of Na+ if IE₁ of Na =5.1 eV ?
Options
(a) –5.1 eV (b) –10.2 eV (c) +2.55 eV (d) +10.2 eV
Correct Answer:
–5.1 […]
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