In a naturally occurring sample, 19.8% of boron atoms have five neutrons and 80.2% have six neutrons.
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In a naturally occurring sample, 19.8% of boron atoms have five neutrons and 80.2% have six neutrons. What is the mass number of each boron isotope? Sketch a sample of 10 atoms that is nearly representative of a natural sample. What is the average mass of the atoms in your drawing? What is the atomic mass of boron? (Boron-10 has a mass of 10.01294 amu, and boron-11 has a mass of 11.00931 amu.)
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To determine the mass number of each boron isotope we can use the information given about the percen...View the full answer
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