Astatine is the largest SemiMetal on the Periodic Table. It is also Radioactive
Atomic number-85
Density-11.3 g/mL
Atomic weight-210 amu
Melting point-302 C
Bonding radius-unknown
Boiling point-337 C
Atomic radius-unknown
Heat of vaporization-unknown
Ionization Potential-unknown
Electronegativity-2.2
Electron configuration:[Xe]4f14 5d10 6s26p5
Actinium Aluminum Americium Antimony Argon Arsenic Astatine Barium Berkelium Beryllium Bismuth Bohrium Boron Bromine Cadmium Calcium Californium Carbon Cerium Cesium Chlorine Chrominium Colbalt Copper Curium Dubnium Dysprosium Einsteinium Erbium Europium Fermium Florine Francium Gadolinium Gold Halfnium Hassium Helium Hydrogen Indium Iodine Iridium Iron Krypton Lanthanum Lawrencium Lead Lithium Lutetium Magnesium Manganese Meitnerium Mendelevium Mercury Molybdenum Neodymium Neon Neptunium Nickel Niobium Nobelium Osmium Oxygen Palladium Phosphorus Platinum Plutonium Polonium Potassium Praseodymium Promethium Protactinium Radium Radon Rhenium Rubidium Ruthinium Rutherfordium Samarium Scandium Seaborgium Selanium Silicon Silver Sodium Strontium Sulfer Tantalum Technetium Tellurium Turbium Thalium Thorium Tin Tantalum Tungsten Uranium Unbiquadium Ununbium Ununhexium Ununnillium Unununium Ununquadium Vanadium Xenon Ytterbium Yttrium Zinc Zirconium