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Atoms and Molecules — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
MCQ
Which of the following configuration will form a cation:
  • A
    2, 8, 7
  • B
    2, 7
  • C
    2, 8, 8
  • D
    2, 8, 2
✓

Answer

  1. 2, 8, 2

Explanation:

The electronic configuration of 2, 8, 2 will lose two electrons to become positively charged ion i.e cation.

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