Group 2

AQA AS-level ChemistryTopic 9 of 137 lessons

Revision notes for Group 2 in AQA Chemistry (7404). Read the start of any lesson here, then sign in free for the whole lesson, the R.E.C.I.P.E. recall steps and the quiz.

1. Group 2 ElementsGroup 2 metals are called the alkaline earth metals.
2. Physical PropertiesThe atoms get bigger going down the group.
3. Ionisation EnergiesThe reactivity of redox reactions increases down group 2.
4. CalciumSome important compounds of calcium are limestone CaCO3, quicklime CaO and slaked lime Ca(OH)2.
5. Reaction with WaterThe group 2 elements react with water to form alkaline hydroxides with the general formula M(OH)2 and hydrogen gas.
6. Solubility of HydroxidesGroup 2 hydroxides are all white solids.
7. Solubility of SulfatesGroup 2 sulfates are all white solids.

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