A-LevelChemistryChemical bondingFeb/Mar 2019Paper 2 Q225 Marks
The elements in Group 17 of the Periodic Table are called the halogens. They form stable compounds with both metals and non-metals. The table gives some data about F2, HCl and CaF2. F2 | HCl | CaF2 --- | --- | --- boiling point/K | 85 | 188 | 2773 relative formula mass | 38.0 | 36.5 | 78.1
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