Flame — Test Colors

Depends on the specific copper compound (halide vs non-halide). Mg2+cap M g raised to the 2 plus power Intense White Very bright; used in fireworks and flares. Standard Lab Procedure Flame Test Method and Analysis Guide | PDF | Atoms - Scribd

The flame test is a classic qualitative analysis technique used to identify metal ions based on the characteristic colors they emit when heated. Flame Test Colors

Metal ions produce distinct colors due to electron excitation. When heated, electrons jump to higher energy levels and emit light as they return to their ground state. Flame Color Li+cap L i raised to the positive power Crimson / Red Vivid hot pink to deep red. Sodium Na+cap N a raised to the positive power Bright Yellow Extremely intense; can mask other colors. Potassium K+cap K raised to the positive power Lilac / Light Purple Best viewed through cobalt blue glass to filter sodium. Calcium Ca2+cap C a raised to the 2 plus power Brick Red / Orange-Red Can be hard to distinguish from sodium contamination. Strontium Sr2+cap S r raised to the 2 plus power Crimson / Scarlet Deeper red than calcium or lithium. Barium Ba2+cap B a raised to the 2 plus power Apple Green Pale, yellow-green hue. Copper(II) Cu2+cap C u raised to the 2 plus power Blue-Green / Teal Depends on the specific copper compound (halide vs