A Sample of Chlorine Has Two Naturally Occurring Isotopes

question 99

Multiple Choice

A sample of chlorine has two naturally occurring isotopes.The isotope Cl-35 makes up 75.8% of the sample,and the isotope Cl-37 makes up 24.3% of the sample.Which of the following statements is true?

• A)The atomic mass of chlorine will be less than 35.
• B)The atomic mass of chlorine will be more than 37.
• C)You cannot tell what the atomic mass will be.
• D)The atomic mass will be between 35 and 37.
• E)The atomic mass will be 24.3.

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