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Please help with the last 2.

Please help with the last 2.
asked 207k views
2 votes
Please help with the last 2.

Please help with the last 2.-example-1
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User Webdesigner
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8.3k points

1 Answer

5 votes

Answer: Yttruim: 39 protons, 50 neutrons, 39 electrons

Ruthenium: 44 protons, 57 neutrons, 44 electrons

answered
User James Chien
by
8.4k points
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