Number of Neutrons in Sodium
How many neutrons are there in the sodium atom?
There are 12 neutrons in the sodium atom. Each atom also has 11 protons and 11 electrons, giving sodium an atomic number of 11. In its pure form, sodium is a silver-white alkali metal. It is among the most reactive elements in the periodic table. Because of its active nature, it is rarely seen as a free element.