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An anion X^(3-) has 36 electrons and 45 ...

An anion `X^(3-)` has 36 electrons and 45 neutrons. What is the mass number of the element X-

A

81

B

84

C

78

D

88

Text Solution

Verified by Experts

The correct Answer is:
C
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CHHAYA PUBLICATION-STRUCTURE OF ATOM-MCQ HOTSPOT (SINGLE CORRECT TYPE)
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  2. Which have the samme number of s-electrons as the d-electrons in Fe^(2...

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  3. An anion X^(3-) has 36 electrons and 45 neutrons. What is the mass num...

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  4. Consider the set of quantum number 3,2,-2,+(1)/(2), if the given subsh...

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  15. The dissociation energy of H(2) is 430.53 kJ*mol^-1. If hydrogen is di...

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