NEET Chemistry ยท Hard

Structure of Atom: Atomic species MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Atomic speciesHardQuestion 21018

Question

Which is a one-electron species?

  1. A
    He+He^+
    Correct
  2. B
    He
  3. C
    Li
  4. D
    Be

Correct answer

He+He^+

Explanation

Singly ionised helium has only one electron.