Spanish, 02.09.2021 20:30 Nonniel0v3

NATURALLY OCCURING COPPER EXIST IN TWO ISOTOPIC FORMS 63^CU AND 63^CU .THE ATOMIC MASS OF COPPER IS 63.55 amu .what is approximate natural abundance of 63^cu?

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NATURALLY OCCURING COPPER EXIST IN TWO ISOTOPIC FORMS 63^CU AND 63^CU .THE ATOMIC MASS OF COPPER IS...