"Francium" Pronounce,Meaning And Examples

"Francium" Meaning

Francium is a chemical element with the symbol Fr and atomic number 87. It is a highly radioactive metal that is one of the most electropositive elements known, and it is the second rarest naturally occurring element on Earth, after astatine.

"Francium" Examples

Francium Usage Examples

1.

The discovery of francium is often credited to two French chemists, Marguerite Perey and Irène Joliot-Curie, who isolated it from radioactive radium in 1939.

2.

Francium is a highly radioactive alkali metal, with an atomic number of 87 and an atomic mass of 223 u.

3.

The first ionization energy of francium is relatively low, which makes it highly reactive and prone to reacting with other elements.

4.

In the periodic table, francium is located in the alkali metal group, below caesium and above radium.

5.

Due to its extreme rarity and highly radioactive nature, francium has no practical applications in industry or everyday life, and is mainly of interest to scientists studying the properties of heavy elements.