Multiple Choice
The isotope lithium-7 has a mass of 7.0160 atomic mass units,and the isotope lithium-6 has a mass of 6.0151 atomic mass units.Given the information that 92.58 percent of all lithium atoms found in nature are lithium-7 and 7.42 percent are lithium-6,calculate the atomic mass of lithium,Li (atomic number 3) .
A) 7.0160 amu
B) 6.942 amu
C) 6.495 amu
D) 13.031 amu
Correct Answer:
Verified
Correct Answer:
Verified
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