Platinum

Platinum

Name Origin: From the Spanish word platina (little silver) Date of Discovery: 1735 Discoverer: Julius Scaliger Symbol: Pt Atomic Number: 78 Atomic Mass: 195.078 amu The symbol for platinum was made by joining the symbols of silver and gold Number of Protons/Electrons: 78 Number of Neutrons: 117 Found In: platinum ores as a solid Melting Point:1772.0 °C (3221.6 °F) Boiling Point: 3827.0 °C (6920.6 °F) Density: 21.45 g/cm3 Uses: jewelry, containers, catalyst, coating missile nose cones, jet engine fuel nozzles, medical treatments of cancer Fun Facts

Color of Platinum: silver-white Number of Energy Levels: 6 First Energy Level:2 Second Energy Level: 8 Third Energy Level: 18 Fourth Energy Level: 32 Fifth Energy Level: 17 Sixth Energy Level: 1

Discovered in South America It is more valuable than gold It is classified as a “Transition Metal” Sources [] [] []