DOUBLE LESSON applicable to many specifications.
Covers: background information about groups 2 and 7, reactions of group 2, reactivity trend down group 2 (linking back to ionisation energy), solubility for group 2 hydroxides, reactivity trend down group 7, reactions of the halogens (plus ionic equations), the reaction of chlorine with sodium hydroxide, benefits and risks of chlorine use.
There are lots of questions built in throughout. This could be done in one lesson if you're short on time and wanted a more lecture style approach or easily a double lesson where the students are heavily involved.
Covers: background information about groups 2 and 7, reactions of group 2, reactivity trend down group 2 (linking back to ionisation energy), solubility for group 2 hydroxides, reactivity trend down group 7, reactions of the halogens (plus ionic equations), the reaction of chlorine with sodium hydroxide, benefits and risks of chlorine use.
There are lots of questions built in throughout. This could be done in one lesson if you're short on time and wanted a more lecture style approach or easily a double lesson where the students are heavily involved.
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£2.00