<Tr> <Td> Group 14 (IV) (carbon group) </Td> <Td> </Td> </Tr> <Tr> <Td> Group 15 (V) (pnictogens or nitrogen group) </Td> <Td> 5 </Td> </Tr> <Tr> <Td> Group 16 (VI) (chalcogens or oxygen group) </Td> <Td> 6 </Td> </Tr> <Tr> <Td> Group 17 (VII) (halogens) </Td> <Td> 7 </Td> </Tr>

An electron will move from the outer to the inner shell