Engineering
Chemistry
Isotopes Isobars Isotones Isodiaphers
Discovery Of Electron Proton Neutron
Question
The total number of isotopes of hydrogen and number of radioactive isotopes among them, respectively, are:
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Solution
Hydrogen has three naturally occurring isotopes:
- Protium (): 1 proton, 0 neutrons. Stable.
- Deuterium (): 1 proton, 1 neutron. Stable.
- Tritium (): 1 proton, 2 neutrons. Radioactive (beta decay).
Therefore, there are 3 total isotopes, and only 1 is radioactive.
Final Answer: 3 and 1