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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
- At 0K, (i) ¹²C and (ii) a mixture of ¹²C and ¹⁴C will
- If a given sample of water contains 0.06 g of Ca²⁺ ion per kg, calculate
- The spin only magnetic moment of [CrF₆]⁴⁻ (atomic number for Cr is 24) is
- Bakelite is prepered by the reaction between
- 75% of a first order reaction was completed in 32min.When was 50% of the reaction
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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