Multiple Choice
Boron, which occurs in nature as 105B (amu = 10.013) and 115B (amu = 11.009) , has an atomic weight of 10.81. Which of the following statements is true?
A) isotope115B predominates
B) isotope105B predominates
C) both isotopes have equal percentages in nature
D) the atomic weight of 10.013 amu is nearest the correct value for boron
Correct Answer:
Verified
Correct Answer:
Verified
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