Class 11 Chemistry Structure of Atom Atomic number, Mass number, Atomic species

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Which of the following is correct?

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A
$^1_1 H$ and $^3_2 He$ are isotopes
B
$^{14}_6 C$ and $^{14}_7 N$ are isotopes
C
$^{39}_{19} K$ and $^{40}_{20} Ca$ are isotones
D
$^{19}_9 F$ and $^{24}_{11} Na$ are isotopes

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Structure of Atom

Subtopic

Atomic number, Mass number, Atomic species

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