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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.
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Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Carbohydrates are stored in human body as the polysaccharide
- Which of the following is biodegradable substance
- For a thermodynamically reversible reaction in a galvanic cell at temperature T,
- At 298 K the enthalpy of formation of liquid water is -285.9 kJ/mol
- The increasing order of the density of alkali metals
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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