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Be²⁺ is isoelectronic with which of the following ions?
Options
(a) H⁺
(b) Li⁺
(c) Na⁺
(d) Mg²⁺
Correct Answer:
Li⁺
Explanation:
Be²⁺= (4-2) = 2
is isoelectronic with Li⁺ (3-1 =2)
Since both have same number of electrons in their outermost shell.
Related Questions: - Which of the following explains the sequence of filling the electrons
- An isocyanide on hydrolysis gives
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Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following explains the sequence of filling the electrons
- An isocyanide on hydrolysis gives
- The combustion enthalpies of carbon , hydrogen and methane are -395.5 kJ mol⁻¹
- Acetylation of a secondary amine in alkaline medium yields
- If active mass of a 6% solution of a compound is 2, its molecular weight will be
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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