Atomic Knowledge

A fact sheet listing the periodic table symbol, quantity of protons, neutrons and electrons in Group 1 (alkaline metals), Group 7 (the halogens) and Group 0 (the noble gases) of the periodic table. Also described is how the reactivity, relative atomic masses and melting/boiling points change within the group. Helpful for any chemistry students struggling to remember the characteristics of Group 1, 7 and 0.