Metal and non-metal on the periodic table - Science Query Metals are located on the left side of the periodic table and non-metals are located on the upper right. They are separated by a diagonal band of metalloids. In the periodic table alkali metals (group 1) and alkali earth metals (group 2) on the far left, and the halogens (group 17) and the noble gases (group 18) on the far right (6) & (4).