88 Ra Radium 226.0 u

Radium

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Period
7
Group
2
Block
s-block
Phase (STP)
Solid

Radium is a radioactive alkaline earth metal discovered by Marie and Pierre Curie. It glows faintly blue due to its intense radioactivity.

Physical Properties

Atomic Mass 226.0 u
Phase at STP Solid

Electronic Properties

Electronegativity 0.9

Electron Configuration

Configuration [Rn] 7s²

Electron Shell Configuration

Radium electron shell configuration Ra 2e⁻ 8e⁻ 18e⁻ 32e⁻ 18e⁻ 8e⁻ 2e⁻

Position in Periodic Table

Radium position in the periodic table Ra

More Alkaline Earth Metal

Frequently Asked Questions

What is Radium?
Radium (Ra) is a chemical element with atomic number 88. It is a solid at standard temperature and pressure, classified as a alkaline earth metal.
What are the key properties of Radium?
Radium has an atomic mass of 226.0 u.
What is the electron configuration of Radium?
The electron configuration of Radium is [Rn] 7s2. It is in the s-block of the periodic table.
What is the electronegativity of Radium?
Radium has an electronegativity of 0.9 on the Pauling scale.