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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
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- Mass of one atom of X is 2.66 x 10⁻²³ g, then its 32 g is equal to
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Formalin is a
- Mass of one atom of X is 2.66 x 10⁻²³ g, then its 32 g is equal to
- Which of the following is a mixed ketone
- A device that converts energy of combustion of fuels like hydrogen and methane,
- The C – C bond length in ethane is
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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