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19-09-2020
Chemistry

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An atom of Chromium (Cr) has 29 neutrons. What is its mass number?

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19-09-2020

Answer: the mass number is 51.9961 u.

Explanation: Basically your looking for the mass number of a ATOM of chromium now if you where looking for chromium and not the atom it's self it would be a different number which is 52-54

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