Two atoms are said to be isobars if. *
(a) they have same atomic number but different mass number.
(b) they have same number of electrons but different number of neutrons
(c) they have same number of neutrons but different number of electrons.
(d) sum of the number of protons and neutrons is same but the number of protons is different.
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Answer Text
they have same number but different mass number
they have same number of electrons but different number of neutrons
they have same number of neutrons but different number of electrons
sum of the number of protons and neutrons is same but the number of protons is different
Answer :
D
Solution :
Isobars have different atomic number, i.e., number of protons but same mass number, i.e., sum of number of protons and neutrons.
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