Atomic Number 11 — synonyms, definition

1. atomic number 11 (Noun)

2 synonyms
na sodium
1 definition

atomic number 11 (Noun) — A silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt).

2 types of
metal metallic element
5 parts of
brine halite rock salt saltwater seawater