The mass spectrum of element Q shows three isotopes with the following data: • 10.012…
CHEMISTRY · Single correct · A Level · Chemistry · Atomic structure · Atomic structure
Problem
The mass spectrum of element Q shows three isotopes with the following data:
• 10.012 amu (peak intensity = 25)
• 11.009 amu (peak intensity = 55)
• 12.011 amu (peak intensity = 20)
What is the average atomic mass of element Q to two decimal places?
(a) 11.31 amu
(b) 11.01 amu
(c) 10.96 amu
(d) 11.56 amu