atomic-number-5

Nouns

  • (n) a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder boron, B,

Synonyms

boron B

Words of close approximity

atomic number 50 atomic number 51 atomic number 52 atomic number 53 atomic number 54 atomic number 55 atomic number 56 atomic number 57 atomic number 58 atomic number 59