Who discovered the concept of isotopes?

Who discovered the concept of isotopes?

  • Frederick Soddy
  • Marie Curie
  • Ernest Rutherford
  • John Dalton
The correct option is: Frederick Soddy
The concept of isotopes was discovered by Frederick Soddy in 1912, who found that certain elements had atoms with the same number of protons but different numbers of neutrons.
Tags: isotopesFrederick Soddychemistry