<Ul> <Li> Atomic orbitals </Li> <Li> Aufbau principle </Li> </Ul> <Tr> <Td> By metallic classification (hide) <Ul> <Li> Metals </Li> </Ul> <Ul> <Li> alkali </Li> <Li> alkaline earth </Li> </Ul> <Ul> <Li> transition </Li> <Li> post-transition </Li> </Ul> <Ul> <Li> lanthanide </Li> <Li> actinide (super - / eka - super -) </Li> </Ul> <Ul> <Li> Metalloids </Li> </Ul> <Ul> <Li> <Ul> <Li> dividing metals & nonmetals </Li> </Ul> </Li> </Ul> <Ul> <Li> Nonmetals </Li> </Ul> <Ul> <Li> polyatomic </Li> <Li> diatomic </Li> <Li> monatomic (noble gas) </Li> </Ul> </Td> </Tr> <Ul> <Li> Metals </Li> </Ul> <Ul> <Li> alkali </Li> <Li> alkaline earth </Li> </Ul>

What nonmetal is located on the metallic side of the periodic table