Atomic Number 5 (Noun)
Meaning
A trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder.
Classification
Nouns denoting substances.
Examples
- The most common use of atomic number 5, also known as boron, is in fiberglass production.
- Boron, a trivalent metalloid element with atomic number 5, was discovered in the desert of Chile and was found to have similar properties to silicon.
- The hardness of a hard black crystal called boron carbide, made with atomic number 5, is very close to that of a diamond.
- Boron, or atomic number 5, can also be found in a yellow or brown powder and has many other industrial applications.
- Scientists discovered that boron, or atomic number 5, can also be used in a form of water purification.