This worksheet asks questions about diffusion and factors which affect the rate of diffusion. Ideal for classwork, or to be set as homework.

A short revision guide to acids and alkalis and bases, including neutralisation reactions with metals oxides, metal hydroxides and metal carbonates. The guide also includes tests for carbon dioxide and tests for hydrogen. Ideal for KS3 or GCSE.

There is a printable version of the card sort for the answers all on one A4 page. There is another version which is larger, which can be cut out and laminated and sorted into 3 columns. You can sort the clues into group 1, group 7 and group 8 descriptors. A card sort activity that has worked really well in my chemistry GCSE and key stage 3 classes to discuss alkali group one metals, halogens and noble gases.