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3. Classification of elements and periodicity in properties question bank (Chemistry)

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Q1.

Which of the following orders of ionic radii is correctly represented?  

(A)
H⁻ > H⁺ > H
(B)
Na⁺ < F⁻ < O²â»
(C)
F⁻ > O²â» > Na⁺
(D)
Al³âº > Mg²âº > N³â»
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Q2.

Be²âº is isoelectronic with which of the following ions?  

(A)
H⁺
(B)
Li⁺
(C)
Na⁺
(D)
Mg²âº
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