Because It's very rare.
Caesium was discovered in 1860.
Caesium is a solid metal.
Caesium react with water.
The chemical formula of caesium periodate is CsIO4.
The electronegativity of caesium is higher.
frankium
Caesium + water ------> Caesium hydroxide + Hydrogen
Caesium itself is a metal and does not have a distinct odor. When caesium reacts with air or water, it can produce caesium hydroxide which has a soapy or ammonia-like odor.
Caesium was discovered in 1860.
Caesium is a soft metal
Caesium is a solid metal.
Caesium react with water.
fire, baking soda and vinegar, and frankium in water
Caesium's chemical symbol is Cs
The chemical symbol of caesium is Cs.
Yes, caesium chloride is an ionic compound made of the metal caesium and the non-metal chlorine. Caesium itself is a metal and is part of the alkali metal group on the periodic table.
Caesium is placed in the 6th period.