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Is boron a metal or nonmetal?

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Boron is neither a metal nor a nonmetal; instead, it is classified as a metalloid or a semimetal. Boron is the chemical element with the symbol B and atomic number 5. Its molecular weight is 10.81 grams per mole, and its melting point is 2076 degrees Celsius.

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Is boron a metal or nonmetal?
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Crystal boron is a dark substance with a hardness rivaling that of diamond. As a metalloid, boron's physical and chemical properties are between those of metals and nonmetals. It behaves as a nonmetal in reaction with sodium and a metal when combined with fluorine. Other chemical elements commonly classified as metalloids include silicon, germanium, arsenic, antimony and tellurium.

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  • Q:

    Why is boron important?

    A:

    Boron is a crucial part of cell walls in plants, and it also has many industrial applications. Boron is important for manufacturing Pyrex, a borosilicate glass, as well as glazes, cleansers and food preservatives, as stated by the Royal Society of Chemistry.

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  • Q:

    What are some interesting facts about boron?

    A:

    Boron's symbol is B, it is classified as a metalloid and it is a solid at room temperature. Its atomic number is 5 and its atomic weight is 10.81.

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  • Q:

    Is silicon a metal?

    A:

    Silicon is a metalloid. This means it has some qualities of a metal but lacks others. For example, though a lump of silicon has the luster of a metal, it's also brittle. Silicon can also be alloyed with metals like copper and aluminum to make them stronger.

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  • Q:

    How flammable is boron?

    A:

    Many compounds that contain boron are highly flammable, but the free element is not found in the natural world in a pure form. Most often, the element is found as the compound borax. Most boron compounds that feature hydrogen are very flammable.

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