Assertion: cesium | /r/HasProperty | cs
Facets:
Source sentences:
text: Cesium (Cs), also spelled caesium, chemical element of Group 1 (also called Group Ia) of the periodic table, the alkali metal group, and the first element to be discovered spectroscopically (1860), by German scientists Robert Bunsen and Gustav Kirchhoff, who named it for the unique blue lines of its spectrum (Latin caesius, “sky-blue”).
text: Cesium known as Cs is a metal.
text: Read More on This Topic alkali metal (K), rubidium (Rb), cesium (Cs), and francium (Fr).
text: Cesium (Cs) is a waxy, silvery-gold metallic element that is the softest of all metals.
text: Cesium (Cs) is a waxy, silvery-gold metallic element that is the softest of all metals.
text: Alkali metal, any of the six chemical elements that make up Group 1 (Ia) of the periodic table—namely, lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).
text: The metal is cesium (Cs) , the most active metal on Earth, and it’s so rare that it’s hard to even put a price on it.
text: You are looking for the symbol of cesium (Cs) and indication of its mass number.