Atomic Number 77 (Noun)
Meaning
A heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium.
Classification
Nouns denoting substances.
Examples
- Iridium, also known as atomic number 77, is a dense and corrosion-resistant metal that is highly valued for its strength and durability.
- The atomic number 77 element is often used in high-performance alloys, such as those used in the aerospace industry.
- Due to its high melting point, atomic number 77 is also used in the production of high-temperature crucibles and other laboratory equipment.
- The discovery of atomic number 77 in 1803 by Smithson Tennant marked a significant milestone in the field of chemistry.
- Atomic number 77 is one of the rarest elements on Earth, making up only about 0.000006 parts per million of the Earth's crust.