Flame Colours — Metal Ion Identification

Figure 1: Each metal ion produces a characteristic flame colour — from left to right: Li⁺ (crimson), Na⁺ (yellow), K⁺ (lilac), Cu²⁺ (blue-green). These colours identify the metal ions in a sample.

This diagram covers Flame Colours — Metal Ion Identification within Instrumental Analysis for GCSE Chemistry. Revise Instrumental Analysis in Chemical Analysis for GCSE Chemistry with 6 exam-style questions and 6 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 5 of 12 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.