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Q: Atoms of same element having different mass numbers are called…………. ?
  • A. Isobars
  • B. Isotopes
  • C. Isotones
  • D. Isomers
Correct Answer: Option B - Atoms of the same element whose atomic number is similar but mass number is different, is called as isotopes.
B. Atoms of the same element whose atomic number is similar but mass number is different, is called as isotopes.

Explanations:

Atoms of the same element whose atomic number is similar but mass number is different, is called as isotopes.