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| Q. |
Atoms of same element having different mass numbers are Called . |
| A. | Isobars |
| B. | Isotopes |
| C. | (3)Isotones |
| D. | (4) Isomers |
| Answer» B. Isotopes | |
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Explanation: Atoms that have the same atomic number but different atomic masses are called isotopes. The difference in mass arises due to the atoms containing a different number of neutrons for the same number of protons. For example, carbon-12, carbon-13 and carbon-14 are three isotopes of the element carbon with mass numbers 12, 13 and 14 respectively. |
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