アルゴン (Ar) - 18 on the Periodic Table | 周期表

Standard IUPAC: アルゴン • Symbol: Ar • Atomic Mass: 39.948 u

クイックファクトシート: アルゴン (symbol Ar, atomic number 18) is element 18 on the periodic table of elements. It has a standard atomic weight of 39.948 u and an electron configuration of [Ne] 3s2 3p6. On the periodic table, アルゴン is classified in period 3 and group Main.

1. Periodic Table Position of アルゴン (18 on the Periodic Table)

Element アルゴン has atomic number Z = 18, meaning it contains 18 protons in its atomic nucleus and 18 electrons in its neutral state. On the standard periodic table of elements, アルゴン is located in period 3 and group Main.

2. Electron Configuration & Oxidation States (アルゴン Charges & Configuration)

Full Electron Configuration: [Ne] 3s2 3p6

Common Oxidation States (Charges): N/A

3. Physical Properties & Atomic Mass (アルゴン Atomic Mass)

Element アルゴン has a standard atomic weight of 39.948 u. Its melting point is 83.8 K and boiling point is 87.3 K. The Pauling electronegativity value is N/A.

Comprehensive chemical properties and data for Argon (Ar, Z=18).

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

4. Related Elements in the Same Chemical Family

He (Z=2) Ne (Z=10) Kr (Z=36) Xe (Z=54) Rn (Z=86)

5. Frequently Asked Questions about アルゴン (FAQ)

What is the chemical symbol and atomic number of アルゴン?

The chemical symbol of アルゴン is Ar and its atomic number is 18.

What is the atomic mass and electron configuration of アルゴン?

アルゴン has a standard atomic mass of 39.948 u and ground-state electron configuration of [Ne] 3s2 3p6.

What periodic table group and period does アルゴン belong to?

アルゴン is located in period 3 and group Main on the periodic table of elements.

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