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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
- The solubility product of a sparingly soluble salt AB at room temperature
- The percentage strength (in g litre⁻¹) of 10 mL of 20 vol.solution of H₂O₂ is
- The most basic amine among the following is
- From the colligative properties of solution which one is the best method for
- Mass of one atom of X is 2.66 x 10⁻²³ g, then its 32 g is equal to
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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