Isotopes, isobars and isotones — task. Science TNSB Mentoring, Class 9.

Answer variants:

Isotone

Isobar

Isotope

{}_{27}^{64}{Co}, {}_{28}^{64}{Ni}

{}_{17}^{35}{Cl}, {}_{17}^{37}H

{}_{7}^{15}N, {}_{8}^{16}O

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7. Isotopes, isobars and isotones