giovannaaaar giovannaaaar

03-06-2016
Chemistry

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why is cobalt placed before nickel on the periodic table of elements even though it has a higher average atomic mass than nickel

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WorldlyGlass49 WorldlyGlass49

03-06-2016

Because it has a smaller atomic number. Elements are not lined up according to the higher average atomic mass, but rather according to the higher atomic number.

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Somboss Somboss

04-06-2016

Just because it has a smaller atomic number. Elements are not lined up according to the higher average atomic mass, but rather according to the higher atomic number.

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