Atomic Number 55 (Noun)
Meaning
A soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal.
Classification
Nouns denoting substances.
Examples
- Caesium, also spelled cesium, is a chemical element with the atomic number 55.
- The atomic number 55 is the key to identifying the element caesium on the periodic table.
- The element with atomic number 55 is highly reactive and has a low melting point.
- Caesium, with an atomic number 55, is used in atomic clocks due to its unique properties.
- The atomic number 55 corresponds to the chemical element caesium, a soft and highly reactive metal.