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20-07-2019
Chemistry

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Atomic mass number of first 30 elements

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iversoncarter6777 iversoncarter6777

05-09-2019

Answer:

Element Atomic Number Atomic Mass

Nickel 27 58.6934

Cobalt 28 58.9332

Copper 29 63.546

Zinc 30 65.39

Explanation:

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