Naturally Occurring Copper Exists in Two Isotopic Forms: ⁶³Cu and ⁶⁵Cu.The

question 101

Multiple Choice

Naturally occurring copper exists in two isotopic forms: ⁶³Cu and ⁶⁵Cu.The atomic mass of copper is 63.55 amu.What is the approximate natural abundance of ⁶³Cu?

• A)63%
• B)90%
• C)70%
• D)50%
• E)30%

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