Sodium (Na) - 11 on the Periodic Table | Periodic Table

Standard IUPAC: Sodium • Symbol: Na • Atomic Mass: 22.98976928 u

Quick Factsheet: Sodium (symbol Na, atomic number 11) is element 11 on the periodic table of elements. It has a standard atomic weight of 22.98976928 u and an electron configuration of [Ne] 3s1. On the periodic table, Sodium is classified in period 3 and group Main.

1. Periodic Table Position of Sodium (11 on the Periodic Table)

Element Sodium has atomic number Z = 11, meaning it contains 11 protons in its atomic nucleus and 11 electrons in its neutral state. On the standard periodic table of elements, Sodium is located in period 3 and group Main.

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

Full Electron Configuration: [Ne] 3s1

Common Oxidation States (Charges): -1,1c

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

Element Sodium has a standard atomic weight of 22.98976928 u. Its melting point is 370.87 K and boiling point is 1156. K. The Pauling electronegativity value is 0.93.

Comprehensive chemical properties and data for Sodium (Na, Z=11).

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

4. Related Elements in the Same Chemical Family

Li (Z=3) K (Z=19) Rb (Z=37) Cs (Z=55) Fr (Z=87)

5. Frequently Asked Questions about Sodium (FAQ)

What is the chemical symbol and atomic number of Sodium?

The chemical symbol of Sodium is Na and its atomic number is 11.

What is the atomic mass and electron configuration of Sodium?

Sodium has a standard atomic mass of 22.98976928 u and ground-state electron configuration of [Ne] 3s1.

What periodic table group and period does Sodium belong to?

Sodium is located in period 3 and group Main on the periodic table of elements.

← Previous Element: Ne (Z=10) Next Element: Mg (Z=12) →