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Chemistry, 03.12.2020 08:50, ilovebeanieboos
Find the element:
1. A group 12 metal that was once used in thermometers, but now it’s know to be poisonous.
2. Has 3 valence electrons and 4 energy levels.
4. The only metalloid with 3 valence electrons.
5. It’s most common isotope has 5 neutrons.
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Answers: 3
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Find the element:
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