Make beautiful copper crystals at home on filter paper in this simple science / chemistry experiment.| ChemTalk
Lead nitrate and potassium iodide reaction - procedure & tips on the stunning golden rain experiment producing lead iodide| ChemTalk
Learn what is a molecule, and the difference between a molecule vs compound with examples of compounds, in this ChemTalk chemistry tutorial| ChemTalk
Helium element-in the periodic table: properties, facts, history, chemistry, discovery, and why helium, a noble gas, is an element in crisis.| ChemTalk