The element sodium is essential to human Biology and is consumed in the form of table salt, which is sodium chloride.
Na
For example water and oxygen.
group 1
154 pm
water
Yes
From the Latin word natruim.
Natrium. (nah-tree-um)
12
Sodium's atomic mass is 23. :)
period 3 group 1
The chemical element "sodium" is an alkali metal.