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11-02-2019
Physics

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What isotope was created

What isotope was created class=

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11-02-2019

Gallium-72

Explanation:

Gallium has 31 protons, and no of protons define the atom (which element it is), that rules out Yttrium. Gallium also has the isotope Gallium-70(31+39=70), so when you add 2 neutrons you get Gallium-72.

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