The use of the aufbau principle to predict the electron configurations of atoms (in their ground states), and therefore explain the layout of the p
A short piece arguing that hydrogen should head up group 4 (14) in the periodic table.
As part of the new 'How science works' programme of study for key stage 4 (14-16 year-olds) taught in England and Wales, alternative layo
The life of Joseph Priestley and the fascinating chemistry of one of the molecules that he discovered – dioxygen (O2).
Tippu S. Sheriff