Sodium

11
Na
22.989770(2)

sodium.jpg (4569 bytes)
Sodium is used in streetlights.

Properties

Symbol Name Atomic Number Atomic Weight Group Number
Na Sodium 11 22.989770(2) 1

Description

Standard State: gas at 298 K
Color: silvery white

Sodium is abundant in the sun and stars and it is the sixth most abundant element on earth.  Sodium is very reactive and never found free in nature.  It can be very dangerous if it is handled improperly.  Salt (NaCl) and baking soda (NaHCO3), compounds of sodium, are the most notably forms.