<Ul> <Li> Book </Li> <Li> Category </Li> <Li> Chemistry Portal </Li> </Ul> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> A period 2 element is one of the chemical elements in the second row (or period) of the periodic table of the chemical elements . The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behavior of the elements as their atomic number increases; a new row is started when chemical behavior begins to repeat, creating columns of elements with similar properties . </P>

According to the periodic table which element has more than one positive oxidation state