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OpenStudy (anonymous):
20Ne 19.99 90.9% 21Ne 20.99 0.3% 22Ne 21.99 8.8% Based on natural abundances, the average atomic mass of neon is closest to which whole number?
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OpenStudy (jfraser):
if you had 100 neon atoms in a box in those percentages, what do you think would be the first atom you pull out of the box?
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