<Tr> <Th> Ba </Th> <Td> 0.10% </Td> <Td_colspan="3"> stable </Td> </Tr> <Tr> <Th> Ba </Th> <Td> syn </Td> <Td> 10.51 y </Td> <Td> ε </Td> <Td> Cs </Td> </Tr> <Tr> <Th> Ba </Th> <Td> 2.42% </Td> <Td_colspan="3"> stable </Td> </Tr> <Tr> <Th> Ba </Th> <Td> 6.59% </Td> <Td_colspan="3"> stable </Td> </Tr>

State how the position of barium in the periodic table shows that it is a metal