Question

PLEASE HELP it would be really nice of you to answer this question i would be very grateful <3

If an element has three isotopes with known masses, what other information
is needed to find the average atomic mass of the element?
A. The number of neutrons in each isotope
B. The average mass of the isotopes
C. The atomic number of each isotope
D. The abundance percentage of each isotope

Answer 1

The answer is pretty much d

Answer 2

Answer: D (The abundance percentage of each isotope)

Explanation: hope this helps!