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The triad of nuclei that is isotonic is...

The triad of nuclei that is isotonic is

A

`""_(6)C^(14 ) ,""_(7)N^(15), ""_(9)F^(17)`

B

`""_(6)C^(12) ,""_(7)N^(14),""_(9)F^(19)`

C

`""_(6)C^(14) , ""_(7)N^(14) , ""_(9)F^(17)`

D

`""_(6)C^(14) , ""_(7)N^(14),""_(9)F^(19)`

Text Solution

Verified by Experts

The correct Answer is:
A
Isotones have same number of neutrons. Number of neutrons in `""_(6)^(14)C, ""_(7)^(15) N, ""_(9)^(17)F` is
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MTG IIT JEE FOUNDATION-STRUCTURE OF THE ATOM-EXERCISE ( MULTIPLE CHOICE QUESTIONS -LEVEL-2)
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  3. An element M has an atomic mass 19 and atomic number 9. Its ion is rep...

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  5. The triad of nuclei that is isotonic is

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  6. The electronic configuration of elements A, B, C and D are (2, 8, 1), ...

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  7. According to Bohr's atomic model, as we move away from the nucleus

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  8. A has 9 protons, 9 electrons and 10 neutrons, B has 12 protons, 12 ele...

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  9. The number of electrons in carbon and fluorine are respectively

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  10. The increasing order for the values of e/m (charge/mass) is

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  12. An element A has atomic mass 39 and atomic number 19. Which one of the...

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  13. Which of the following has more electrons than neutrons?

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  14. Which of the following is an accurate illustration of a nitrogen atom?

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  15. Which of the following is a correct representation of Cl^(-)?

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  17. The relative atomic mass of naturally occurring chlorine is not a whol...

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  18. An element L has 9 protons and its valency is 1. Another element M has...

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  19. Schematic atomic structures of three elements are given below: Wh...

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  20. Vivek was given few models of atoms representing their structures. He ...

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