These require longer answers than the structured questions that have fewer marks ... Two elements in group 1 of the periodic table are lithium and sodium. Very small pieces of lithium and sodium ...
Make sure you give answers to a suitable number of significant figures. Maths questions might ask you to plot or complete a graph or table. When you draw a graph, make sure you: plot each point ...
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 ...
Can France claim the first periodic table? Probably not, but a French Geology Professor made a significant advance towards it, even though at the time few people were aware of it. Alexandre Béguyer de ...