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Element X has 25 protons and is known to exist as 3 isotopes. One isotope is 56.5% abundance and has 38 neutrons. Another isotope is 23.4% and has 39 neutrons. The other isotope is 20.1% and contains 40
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35 votes
35 votes
Element X has 25 protons and is known to exist as 3 isotopes.

One isotope is 56.5% abundance and has 38 neutrons. Another
isotope is 23.4% and has 39 neutrons. The other isotope is
20.1% and contains 40 neutrons. What is the average atomic
mass?

User Wardies
by
2.8k points

1 Answer

21 votes
21 votes

Answer: 24

Explanation:

Becesjro nd iej ye

User OriolJ
by
2.9k points
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