<Tr> <Th> Alkaline earth metals </Th> </Tr> <Tr> <Td> <Ul> <Li> beryllium </Li> <Li> magnesium </Li> <Li> calcium </Li> <Li> strontium </Li> <Li> barium </Li> <Li> radium </Li> </Ul> </Td> </Tr> <Ul> <Li> beryllium </Li> <Li> magnesium </Li> <Li> calcium </Li> <Li> strontium </Li> <Li> barium </Li> <Li> radium </Li> </Ul> <Tr> <Th> Transition metals </Th> </Tr>

What is the definition of metal in chemistry