3.2—The formation of ions in terms of loss or gain of electrons

Be able to describe the formation of ions in terms of loss or gain of electrons.

Use —the formation of ions in terms of loss or gain of electrons to connect the rule to the data and decision in the question.

This matters because —the formation of ions in terms of loss or gain of electrons determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply —the formation of ions in terms of loss or gain of electrons to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: —The formation of ions in terms of loss or gain of electrons is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.