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% of all lithium atoms found in nature are lithium-7 and 7.42% are lithium-6, calculate the atomic mass of lithium, Li (atomic number 3).

A. 7.0160 amu
B. 13.031 amu
C. 6.942 amu
D. 6.495 amu


Answer: C

Environmental & Atmospheric Sciences

You might also like to view...

One strand of DNA has the sequence CAGTC. The opposite strand has the sequence

A) GTCAG. B) ATCGA. C) TCAGT. D) none of the above

Environmental & Atmospheric Sciences

Distinguish between conglomerate and breccia

What will be an ideal response?

Environmental & Atmospheric Sciences

What country is the world's largest trading nation?

A) Japan B) Germany C) India D) United States E) China

Environmental & Atmospheric Sciences

All volcanic activity in a failed rift ceases once the rifting fails.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences