Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: 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)
Similiar / Same: Na, atomic number 11
Categories: metal, metallic element