Periodic table - Atomic structure - National 5 Chemistry Revision

The alkaline earth metals represent the second column on the periodic table Its six elements extend from beryllium to radium These

The number of elements in a period increases as one moves down the periodic table because as the energy level of the atom increases, the number of energy sub-

periodic table The periodic table is an arrangement of all the elements known to man in accordance with their increasing atomic number and recurring chemical properties They

uroflow Share The periodic table contains NIST's latest critically evaluated data for atomic properties of the elements The PDF is suitable for high-resolution color