Sodium is found in group '__' of the periodic table, as a result it has '' reactions. It is also considered a '' where as chlorine is a non-metal. The symbol for sodium is '' and it has an electronic configuration of ''. and has '' electrons.

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom