group 1
period 3 group 1
Sodium is an alkali metal, placed in period 3, group 1 of the periodic table of Mendeleev; the atomic number is 11.
154 pm
Yes
water
Natrium. (nah-tree-um)
The chemical element "sodium" is an alkali metal.
Sodium, Na, is in group 1 on the periodic table. The elements in group1 are the elements in that vertical column, which are Li,Na,K,Rb,Cs,Fr.
Sodium's atomic name is sodium (NA).
Eleven. This because sodium has an atomic number (also the number of protons) of 11 on the periodic table. All the elements listed on the table are the most common (or only) isotopes of those elements.
The density of sodium is about 0.97 grams per cubic centimeter at room temperature.
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