Two atoms are said to be isobars if:
1. | They have the same atomic number but different mass numbers. |
2. | They have the same number of electrons but a different number of neutrons. |
3. | They have the same number of neutrons but different numbers of electrons. |
4. | Sum of the number of protons and neutrons is the same but the number of protons is different. |
Hint: Element have same mass number and different atomic number
Atomic number=18 |
Atomic number=19 |
Mass number=40 |
Mass number=40 |
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