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  • Periodic Classification of Elements
  • Which one of the following is iso-electronic with a fluor...
Multiple choice

Which one of the following is iso-electronic with a fluoride ion?

  1. Oxygen

  2. Fluorine

  3. Sodium

  4. Neon

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fluoride ion has (9 + 1) = 10 electrons. Hence neon is iso-electronic with it

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