Chemistry - Periodic Table - Halogens properties - The Colorful Killers

A matching game for Grade 9-10 introducing the halogens visually. Match each halogen to its appearance and a real-world use: 1) Fluorine → 'Pale yellow gas, used in toothpaste (prevents cavities)'. 2) Chlorine → 'Yellow-green gas, used in swimming pools (kills bacteria)'. 3) Bromine → 'Red-brown LIQ