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Varvara68 [4.7K]
3 years ago
6

Atomic mass number of first 30 elements

Chemistry
1 answer:
dangina [55]3 years ago
4 0

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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