![]() This makes them have a different charge than the atom they were before. Ions are atoms that have lost or gained electrons. They are good conductors of electricity and are shiny. The s-block elements are: sodium (Na), magnesium (Mg), aluminum (Al), silicon (Si), phosphorus (P), sulfur (S), chlorine (Cl), and argon (Ar). The s-block elements are a group of elements in the periodic table that are located on the left side of the table, in the s-block.The alkali metals are all very good conductors of electricity.This is because they are very good at giving up their electrons to form ions. The alkali metals all have low melting points and boiling points.The alkali metals also react with oxygen to form alkali metal oxides. ![]() They react violently with water to form hydrogen gas and aqueous alkali metal hydroxides.
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