Players read questions about energy levels and score points by picking the correct element as the answer. Electrons are in regions around the nucleus that are different distances away from the nucleus ...

Replace that old relic with a free updated periodic table from ACS Publications! This unit plan from the American Association of Chemistry Teachers has everything you need to put together a unit plan ...

The periodic table can be read across from left to the ... BBC Teach has thousands of free, curriculum-linked resources to help deliver lessons - all arranged by subject and age group.