8.13—The reactions of the elements of Group 1 (Li to K) and Group 2 (Mg to Ba) with oxygen, chlorine and water

Know the reactions of the elements of Group 1 (Li to K) and Group 2 (Mg to Ba) with oxygen, chlorine and water.

Use —the reactions of the elements of group 1 (li to k) and group 2 (mg to ba) with oxygen, chlorine and water to connect the rule to the data and decision in the question.

This matters because —the reactions of the elements of group 1 (li to k) and group 2 (mg to ba) with oxygen, chlorine and water determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply —the reactions of the elements of group 1 (li to k) and group 2 (mg to ba) with oxygen, chlorine and water to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: —The reactions of the elements of Group 1 (Li to K) and Group 2 (Mg to Ba) with oxygen, chlorine and water is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.