Which of the following are isotopes A) (¹⁴C) and ¹³C B) (¹⁴C) and ¹⁴N C) (¹⁴N) and ¹⁴N^3- D) (¹²C)and ¹²CO E) (¹⁴N) and ¹⁴N₂

Question

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Isotopes are atoms of the same element (same number of protons) but with different numbers of neutrons. Choices A represents isotopes because they have the same atomic number (protons) but different mass numbers (sum of protons and neutrons).

Which of the Following Are Isotopes