Chemistry, 14.02.2020 04:25 roshawnandries5471

The atomic weight of copper, CuCu, is listed as 63.546. Which of the following statements are untrue:Check all that apply.
All the copper atoms have 29 protons in the nucleus.
The number of electrons in the copper atoms is independent of atomic mass.
Copper is a mixture of at least two isotopes.
Not all neutral atoms of copper have the same number of electrons.
The dominant isotopes of CuCu must be 63Cu63Cu and 64Cu64Cu.

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The atomic weight of copper, CuCu, is listed as 63.546. Which of the following statements are untrue...