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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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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 Mattia Ferigutti
by
5.5k points

1 Answer

4 votes

Answer: 24

Explanation:

Becesjro nd iej ye

User Fahd Arafat
by
6.3k points
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