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Why boron is non - metal ? give reason

User Sazzad
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Answer:

Boron is a non metallic element and the only non-metal of the group 13 of the periodic table the elements. Boronis electron-deficient, possessing a vacant p-orbital. ... It reacts withmetals to form Borides. At standard temperatures boron is a poor electrical conductor but is a good conductor at high temperatures

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User Creasixtine
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