Question

Use the periodic table to find the percentage abundance of neon-20, assuming that neon has only one other, neon-22.

Answer 1

Answer:

Let x represent the natural abundance of Ne-20. ⇒ percent abundances are: Ne-20 = 90.5% Ne-22 = 9.5% One point is earned for the correct answer. = 3.6 × 1022 Ne-22 atoms One point is earned for the correct molar mass.

Explanation:

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