Chemistry S & P Block Elements MDCAT 2010
PMDC Verified Question 103 of 104
Energy required to remove an electron from gaseous neutral atom is:
A
Electron affinity
B
Lattice energy
C
Ionization energy
D
Crystal energy
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Ionization energy
Concept:

The minimum amount of energy required to remove the outermost shell electron from an isolated gaseous atom to form an isolated gaseous ion is called Ionization Energy.

Solution:

  • The definition provided in the question stem exactly matches the standard definition of Ionization Energy (IE).


Why other options are incorrect:

  • Electron affinity: This is the energy released or absorbed when an electron is added to a neutral gaseous atom.
  • Lattice energy: This is the energy required to completely separate one mole of a solid ionic compound into gaseous ions.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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