<Li> Heat capacity / of fusion / of vaporization </Li> <Li> Speed of sound </Li> <Li> Thermal conductivity / expansion coefficient </Li> <Tr> <Td> <Ul> <Li> Book </Li> <Li> Category </Li> <Li> Chemistry Portal </Li> </Ul> </Td> </Tr>

Why are there 14 elements in the actinoids and lanthanoids