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denis23 [38]
3 years ago
15

HELP PLEASE AN EXAM PLEASE HELP

Biology
1 answer:
ki77a [65]3 years ago
6 0


For example, carbon has six protons and is atomic number 6. Carbon occurs naturally in three isotopes: carbon 12, which has 6 neutrons (plus 6 protons equals 12), carbon 13, which has 7 neutrons, and carbon 14, which has 8 neutrons. All three have six protons, but their neutron numbers - 6, 7, and 8, respectively - all differ. This means that all three isotopes have different atomic masses (carbon-14 being the heaviest), but share the same atomic number (Z=6).

ANSWER : Carbon 14 (hope this helps!)
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