If two neutrons and two protons are removed from a 146C isotope, it now becomes an isobar of
A
126C
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B
168O
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C
115B
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D
8yBe
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Solution
The correct option is A126C Isobars are atoms of different chemical elements that have the same number of nucleons. Correspondingly, isobars differ in atomic number but have the same mass number. So the isobar of 6C14 is 6C12