Francium: The Discovery of World's Most Expensive Element Published -- Download video MP4 360p Recommendations 04:53 Opening a Vial of Cesium Underwater 12:59 Francium - Periodic Table of Videos 04:14 The most expensive element on Earth: $1 billion per gram! 25:57 Scientists Just Discovered NEW Elements That Change Everything! 10:54 Top 10 Most Costly Metals On The Planet | Trend It | 00:59 😲1 Gram = 7000 Crores! MUST WATCH - By Kishor Singh #shorts 00:49 Bromine is scary 00:54 10 Most Expensive Elements on Earth 11:43 A better description of entropy 04:57 The 4 Newest Elements & What They Do 16:45 REAL PLUTONIUM 17:08 PLATINUM Documentary: Mining, Science and History 07:01 HIDRAULIC PRESS VS THE HARDEST STONES VS TUNGSTEN 00:54 FRANCIUM 😱 World's Most Expensive Element! #facts #shorts 03:40 Beryllium - A LIGHT Metal that REFLECTS NEUTRONS! 03:15 Price Comparison (Most Expensive Substance) 06:42 Fluorine - Periodic Table of Videos 08:43 Rhodium - The Most INVISIBLE Metal on Earth! 04:37 Reacting Fluorine with Caesium - First Time on Camera 00:15 1 to 118 || Atomic number & their symbols || Prince studies