A fictional element named Nivadium is found to have three naturally occurring isotopes with the natural abundances shown here:
MASS (amu) ABUNDANCE
22.1760 45.00%
23.1847 45.00%
24.1934 10.00%
The calculated atomic mass of Nivadium is:
A) 7.61 amu
B) 22.83 amu
C) 23.18 amu
D) 69.55 amu
E) none of the above
Answer: B