<Tr> <Td> 14 </Td> <Td> Si </Td> <Td> Silicon </Td> <Td> Metalloid </Td> <Td> (Ne) 3s 3p </Td> </Tr> <Tr> <Td> 15 </Td> <Td> </Td> <Td> Phosphorus </Td> <Td> Reactive nonmetal </Td> <Td> (Ne) 3s 3p </Td> </Tr> <Tr> <Td> 16 </Td> <Td> </Td> <Td> Sulfur </Td> <Td> Reactive nonmetal </Td> <Td> (Ne) 3s 3p </Td> </Tr> <Tr> <Td> 17 </Td> <Td> Cl </Td> <Td> Chlorine </Td> <Td> Reactive nonmetal </Td> <Td> (Ne) 3s 3p </Td> </Tr>

Name an element in the third period (row) of the periodic table with 3 valence electrons