Question

A naturally occurring element X contains 85% ²¹₁₀X and 15% ²²₁₀X. What is the relative atomic mass of X? *
1 point
21.15
10.7
21.85
43

Answer 1

Answer:

Relative Atomic Mass (RAM) of X = 21×85/100 + 22×15/100 = 21.15