Test your knowledge of the chemical families or groups.
This family is the most reactive of the non-metals.
Elements in this family are mostly chemically inert.
Elements in this family all form +2 ions.
Semi-conductors are found in this family.
The main group elements are made up of blocks
Elements in this family form -1 ions.
Most elements in this family have more than one oxidation state.
Most of the elements on the periodic table are
Elements is this family form +1 ions and react vigorously in water.
The "coin metals" are
