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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.
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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.

User Yair Daon
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1 Answer

1 vote

Answer:

.

Step-by-step explanation:

  1. mercury
  2. gallium
  3. boron
  4. beryllium
User SagunKho
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