aagaskin2004 aagaskin2004 31-10-2017 Physics contestada The element carbon has 3 naturally occurring isotopes. About 99% of carbon isotopes are C-12, about 1% are C-13, and a tiny amount are C-14. What is the average atomic mass of carbon atoms? A) 11.01 amu B. 12.01 amu C. 13.01 amu D. 14.01 amu
