Which statement concerning elements in the Periodic Table is correct?
- AElements at the left-hand side of the Periodic Table are more metallic than those, in the same period, near the right-hand side.
- BElements at the top of a group lose electrons more readily than those, in the same group, that are lower in the Periodic Table.
- CElements in the same group of the Periodic Table have the same number of completed shells of electrons.
- DElements in the same period of the Periodic Table have the same number of electrons in the outer shell.