Sodium is an alkali metal, placed in period 3, group 1 of the Periodic Table of Mendeleev; the atomic number is 11.
The electron is transferred to chlorine.
A dull silvery grey metal
it was formerly called Natrium, its latin name. so the Na come from natrium.
22.99 is sodiums relative atomic mass. This is found by making an average of all the different isotopes of sodium
after Jurrasic period it is the Cretaceous period
period 3 group 1
Na
For example water and oxygen.
group 1
154 pm
water
Yes
From the Latin word natruim.
heliums period address is 11.09
12
Natrium. (nah-tree-um)
Sodium's atomic mass is 23. :)