in 2001
The chemical symbol for the element sodium consists of a first capital letter and a second non capital letter: "Na". The atomic number of sodium is 11. (The term "first symbol" used in the question has no particular meaning of which I am aware.)
The chemical symbol for sodium is Na.
Sodium forms the Na+ ion.
Na is the chemical symbol for sodium. Na is from the word natrium, which is Latin for sodium carbonate.
It is used because the latin word for sodium is Natrium.
As it is a periodic table of elements and sodium chloride is a compound consisting of sodium, chlorine and oxygen, sodium chloride does not appear on the periodic table.
The symbol for sodium is Na (from the Latin word "natrium").
They used the Greek name, which starts with Na
'Na' is the chemical symbol for sodium. The 'Na' originated back when sodium was called, "Natrium".
Na stands for sodium.
The chemical formula for a sodium ion is Na+.
The symbol for sodium, Na, comes from its Latin name "natrium." This symbol was derived from the word "natron," which was a naturally occurring mineral that contains sodium carbonate. The symbol Na is used to represent sodium in the periodic table to avoid confusion with the element nitrogen.