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03-11-2021
Physics

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Which metallloid has three valence electrons?
1. born
2. arsenic
3. silicon
4. lithium

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clouisenatasha clouisenatasha

04-11-2021

Boron Group
elements have three valence electrons and are fairly reactive. All of them are solids at room temperature. Boron is a very hard, black metalloid with a high melting point.

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