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Question
Distinguish isotopes from isobars.
Solution
| Sr. No. | Isotopes | Isobars |
| 1. | Isotopes are atoms of the same element, thus having same atomic number but different mass number. | Isobars are such atoms which have same mass but different atomic numbers. Thus isobars are different elements. |
| 2. | Example: Hydrogen has three isotopes protium, with deuterium, tritium atomic number 1 but mass number 1, 2, 3. | Example: Calcium and Argon are isobars as they have atomic number 20 and 18 but their mass number are 40. |
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