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pat666
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Homework Statement
The density of copper is 8930 kg m-3, its mass number is 63.55 and its atomic number is 29.
a) Calculate the mass of a copper atom in kg.
b) How may electrons and protons does a copper atom have?
c) Estimate the diameter of a copper atom from this data.
Homework Equations
The Attempt at a Solution
never did chem so I am not sure about this stuff,
is mass number the same as atomic mass? I think I might need Avogadro s number for this? formula?
Have'nt tried b,c yet.
thanks.