Element X Has Two Natural Isotopes: X-6 (6

question 54

Multiple Choice

Element X has two natural isotopes: X-6 (6.015 amu) and X-7 (7.016 amu) .Calculate the atomic mass of element X given the abundance of X-7 is 92.5%.

• A)6.09 amu
• B)6.50 amu
• C)6.52 amu
• D)6.94 amu
• E)12.5 amu