Chemistry 0620 · IGCSE · Isotopes

Isotopes — practice question

What is meant by an isotope of $^{31}_{15}E$?

  • A$^{31}_{14}E$
  • B$^{33}_{15}E$
  • C$^{31}_{16}E$
  • D$^{33}_{16}E$

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