Answer:
1. 1.8 mol or the 2 one (B)
Explanation:
By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.
ITS A SIMPLE.............................
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Answer:
Element Atomic Number Atomic Mass
Nickel 27 58.6934
Cobalt 28 58.9332
Copper 29 63.546
Zinc 30 65.39
Explanation: