Bromine Has Two Naturally Occurring Isotopes

question 99

Multiple Choice

Bromine has two naturally occurring isotopes. ⁷⁹Br has a mass of 78.9 amu and accounts for 50.3% of bromine atoms. If the atomic mass of bromine is 79.9 amu, what is the mass of an atom of the second bromine isotope?

• A)77.9 amu
• B)80.0 amu
• C)80.1 amu
• D)80.9 amu
• E)88.9 amu

Understand the concept of significant digits for floating-point numbers and their representation.

Understand the equivalence of different forms of increment expressions.

Comprehend the concept of variable mutability during program execution.

Grasp the concept of implicit type coercion in Java.

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