Radium (Ra) - 88 on the Periodic Table | Periodic Table

Standard IUPAC: Radium • Symbol: Ra • Atomic Mass: 226 u

Quick Factsheet: Radium (symbol Ra, atomic number 88) is element 88 on the periodic table of elements. It has a standard atomic weight of 226 u and an electron configuration of [Rn] 7s2. On the periodic table, Radium is classified in period 7 and group Main.

1. Periodic Table Position of Radium (88 on the Periodic Table)

Element Radium has atomic number Z = 88, meaning it contains 88 protons in its atomic nucleus and 88 electrons in its neutral state. On the standard periodic table of elements, Radium is located in period 7 and group Main.

2. Electron Configuration & Oxidation States (Radium Charges & Configuration)

Full Electron Configuration: [Rn] 7s2

Common Oxidation States (Charges): 2c

3. Physical Properties & Atomic Mass (Radium Atomic Mass)

Element Radium has a standard atomic weight of 226 u. Its melting point is 973. K and boiling point is 2010. K. The Pauling electronegativity value is 0.9.

Comprehensive chemical properties and data for Radium (Ra, Z=88).

Explore interactive 3D electron orbitals, isotopes, and properties on the periodic table: Open on Interactive Table 🚀

4. Related Elements in the Same Chemical Family

Be (Z=4) Mg (Z=12) Ca (Z=20) Sr (Z=38) Ba (Z=56)

5. Frequently Asked Questions about Radium (FAQ)

What is the chemical symbol and atomic number of Radium?

The chemical symbol of Radium is Ra and its atomic number is 88.

What is the atomic mass and electron configuration of Radium?

Radium has a standard atomic mass of 226 u and ground-state electron configuration of [Rn] 7s2.

What periodic table group and period does Radium belong to?

Radium is located in period 7 and group Main on the periodic table of elements.

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