- Element Na - Element with symbol Na - Salt, ... chloride - Silvery-white element - A common metallic element of the alkali group, in nature
always occuring combined, as in common salt, in albite, etc. It is
isolated as a soft, waxy, white, unstable metal, so readily oxidized
that it combines violently with water, and to be preserved must be kept
under petroleum or some similar liquid. Sodium is used combined in many
salts, in the free state as a reducer, and as a means of obtaining
other metals (as magnesium and aluminium) is an important commercial
product. Symbol Na (Natrium). Atomic weight 23. Specific gravity 0.97.
- Emblem - Representation - Sign - Token - A visible sign or representation of an idea; anything which
suggests an idea or quality, or another thing, as by resemblance or by
convention; an emblem; a representation; a type; a figure; as, the lion
is the symbol of courage; the lamb is the symbol of meekness or
patience. - Any character used to represent a quantity, an operation, a
relation, or an abbreviation. - An abstract or compendium of faith or doctrine; a creed, or
a summary of the articles of religion.