boron

1. (uncountable, usually)The chemical element (symbol B) with an atomic number of 5, which is a metalloid found in its pure form as a dark amorphous powder.

   Bor

   борbor

   борbor

   a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder

2. The chemical element (symbol B) with an atomic number of 5, which is a metalloid found in its pure form as a dark amorphous powder.

   (uncountable, usually)An atom of this element.

1. What are the industrial applications of boron?

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2. Borax is probably the best known compound of boron.

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3. How many moles of boron are there in this solution?

   deWie viele Mole Bor sind in dieser Lösung?

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4. Boron was first isolated from borax.

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5. Boron is formed by cosmic ray spallation.

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uncountable