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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Assertion : The atoms of different elements having same mass number but different atomic number are known as isobars. Reason : The sum of protons and neutrons , in the isobars is always different .

Assertion : The atoms of different elements having same mass number but different atomic number are known as isobars. Reason : The sum of protons and neutrons , in the isobars is always different .

Assertion : The atoms of different elements having same mass number but different atomic number are known as isobars. Reason : The sum of protons and neutrons in the isobars is always different .