Chemistry · Structure of Atom
Two atoms are said to be isobars if:
- 1they have the same atomic number but different mass numbers.
- 2they have the same number of electrons but different number of neutrons.
- 3they have the same number of neutrons but different number of electrons.
- 4the sum of the number of protons and neutrons is the same but the number of protons is different.✓
Correct answer
the sum of the number of protons and neutrons is the same but the number of protons is different.
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