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6 March, 12:58

Which notation represents atoms that have the same number of protons but a different neutron?

1) H-3 and He - 3

2) S-32 and S - 32

3) CI-35 and CI - 37

4) Ga-70 and Ge - 73

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  1. 6 March, 13:12
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    Those are called isotopes,

    the answer is 3.

    each element has its own unique number of protons (atomic number) but a different number of neutrons can be shown in example number 3.
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