Sodium

Statistics:

• Name: Sodium
• Symbol: Na
• Classification: Alkali Metals
• Atomic Number: 11
• Atomic Mass: 22.98976928 g/mol
• Density: 0.97 g/cm³
• Melting: 97.8°C
• Boiling: 892°C
• Protons & Electrons:11
• Neutrons:12
• Discovered: 1807
• Discovered By: Davy
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Electrons Per Energy Level:

• Level 1: 2
• Level 2: 8
• Level 3: 1

Isotopes:

Isotope: Half-life

• ²²Na: 2.6019 years
• ²³Na: stable
• ²⁴Na: 14.9590 hours

Brief Summary

Sodium is a Alkali Metals with the symbol 'Na' and contains 11 Protons & Electrons with 12 neutrons in the nucleus of the atom. Sodium has an atomic mass of 22.98976928 g/mol and, at a temperature of 20°C, has a density of 0.97 g/cm³. It will melt at a temperature of 97.8°C and boil at 892°C.

Sodium was discovered by Davy in 1807 and is named 'Sodium' Soda.

Some common usages for Sodium: medical and agricultural purposes.

Definitions and Notes

Density listed is at a temperature of 20°C.

Isotopes are forms of an element who have the same atomic number but different mass because they contain different number of neutrons.

Half-life is the time required for a quantity of a subject to fall to half of its current quantity.

MLA Citing Format

Sodium :: Na :: 11 - Chemical Element. 22 Nov. 2008 <http://www.chemicalelement.com/element/sodium.html>.