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Chemistry, 14.07.2021 14:00 ksawyer745

What is the atomic mass of copper (Cu)?
A. 27.0
B. 63.5
C. 29.0
D. 58.9

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What is the atomic mass of copper (Cu)?
A. 27.0
B. 63.5
C. 29.0
D. 58.9...

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