ラジウム (Ra) - 88 on the Periodic Table | 周期表

Standard IUPAC: ラジウム • Symbol: Ra • Atomic Mass: 226 u

クイックファクトシート: ラジウム (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, ラジウム is classified in period 7 and group Main.

1. Periodic Table Position of ラジウム (88 on the Periodic Table)

Element ラジウム 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, ラジウム is located in period 7 and group Main.

2. Electron Configuration & Oxidation States (ラジウム Charges & Configuration)

Full Electron Configuration: [Rn] 7s2

Common Oxidation States (Charges): 2c

3. Physical Properties & Atomic Mass (ラジウム Atomic Mass)

Element ラジウム 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 ラジウム (FAQ)

What is the chemical symbol and atomic number of ラジウム?

The chemical symbol of ラジウム is Ra and its atomic number is 88.

What is the atomic mass and electron configuration of ラジウム?

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

What periodic table group and period does ラジウム belong to?

ラジウム is located in period 7 and group Main on the periodic table of elements.

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