Science
Isobars
समभारिक
In this Class 9 Science topic from “Journey Inside the Atom,” students learn that isobars are atoms of different elements having the same mass number but different atomic numbers. They connect mass number with the total count of protons and neutrons, and atomic number with the number of protons. Examples such as argon-40 and calcium-40 help clarify how elements can share a mass number while differing in identity and chemical properties, and how isobars differ from isotopes.
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Practice questions are not available for this topic yet. We plan to add questions with clear explanations soon. You can keep practising other topics in the meantime.
- Class / subject
- 9 · Science
- Chapter
- Journey Inside the Atom
- Topic
- Isobars
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