BRAINCAKEGroups in the periodic table
Revision notes for Groups in the periodic table in Edexcel Chemistry (1CH0). Every lesson in BrainCake comes with R.E.C.I.P.E. recall steps, a quick check and spaced reviews.
- Alkali metals, halogens and noble gasesThe periodic table is arranged in vertical columns called groups.
- Physical properties of the alkali metalsThe alkali metals are the metals in group 1.
- Reactions of lithium, sodium and potassium with waterAlkali metals react with water to form a metal hydroxide and hydrogen gas.
- Trend in reactivity of the alkali metals with waterThe alkali metals become more reactive as you go down group 1.
- Explaining the reactivity trend in group 1When an alkali metal reacts, each atom loses its one outer electron.
- Colours and states of chlorine, bromine and iodineThe halogens are the elements in group 7.
- Pattern in the physical properties of the halogensThe halogens are the elements in group 7.
- Chemical test for chlorineChlorine is a toxic, pale green gas, so any test for it must be done in a fume cupboard.
- Reactions of the halogens with metalsHalogens react with metals to form metal halides.
- Hydrogen halides and their acidic solutionsThe halogens form compounds with hydrogen called hydrogen halides.
- Displacement reactions of the halogensA more reactive halogen will displace a less reactive halogen from a solution of its halide.
- Displacement reactions as redox reactionsThe displacement reactions of the halogens are redox reactions, because oxidation and reduction happen together.
- Relative reactivity of the halogensThe halogens are the elements in Group 7.
- Why the noble gases are inertThe noble gases are the elements in Group 0.
- Uses of the noble gasesThe uses of the noble gases come directly from their properties.
- Physical properties of the noble gasesAll the noble gases are colourless gases at room temperature, and each exists as single atoms.