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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
- Strong reducing behaviour of H₃PO₂ is due to
- If the energy of a photon is given as : =3.03 × 10⁻¹⁹J then, the wavelength (λ)
- The number of π-bond present in propyne is
- Which of the following hydrogen bonds are strongest in vapour phase
- Sulphur ion is
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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