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25 August, 23:48

How many atoms are in 4.56 grams of Cobalt?

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  1. 26 August, 00:14
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    Answer:Cobalt is the first element in the ninth column of the periodic table. It is classified as a transition metal. Cobalt atoms have 27 electrons and 27 protons with 32 neutrons in the most abundant isotope.

    Explanation:

    To calculate the number of atoms in a sample, divide its weight in grams by the amu atomic mass from the periodic table, then multiply the result by Avogadro's number: 6.02 x 10^23.
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