Which one of the following ions will be the smallest in size?

Which One Of The Following Ions Will Be The Smallest Chemistry Question

Which one of the following ions will be the smallest in size?

Options

(a) Na⁺
(b) Mg²⁺
(c) F⁻
(d) O₂⁻

Correct Answer:

Mg²⁺

Explanation:

Greater is the positive charge on atom, large is effective nuclear charge. Hence smaller is the size

Related Questions:

  1. How many unpaired electrons are present in ground state for Fe²⁺(Z=26)
  2. Which of the following is used as refrigerant
  3. Property of the alkaline earth metals that increases with their atomic number
  4. The first ionisation potential will be maximum for
  5. Benzoic acid with Ba(OH)₂ gives

Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)

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