Atomic Masses (amu) 1 8 9 10 11 1 1 1 1 1 1 18 1 1.008.00 8 9 10.91 9.01 10.81 1.01 1.01 1.00 19.00 0.18 11 1 1 1 1 1 1 18.99.1.98 8.09 0.9.0. 9.9 19 0 1 8 9 0 1 9.10 0.08.9.8 0.9.00.9.8 8.9 8.9..1 9...9 8.9 9.90 8.80 8 9 0 1 8 9 0 1 8. 8. 88.91 91. 9.91 9.9 9.91 101.0 10.91 10. 10.8 11.1 11.8 118.1 11. 1.0 1.90 11.9 8 9 80 81 8 8 8 8 8 1.91 1. 18.91 18.9 180.9 18.8 18.1 190. 19. 19.08 19.9 00.9 0.8 0.1 08.98 08.98 09.99.0 8 88 89 10 10 10 10 108 109 110 111 11.0.0.0 1.11.11.1.1 9.1 8. 1 8 9 0 1 8 9 0 1 10.1 10.91 1. 1.91 10. 11.9 1. 18.9 1.0 1.9 1. 18.9 1.0 1.9 90 91 9 9 9 9 9 9 98 99 100 101 10 10.0 1.0 8.0.0.0.0.0.0 1.08.08.10 8.10 9.10.11
Element Names 1 8 9 10 11 1 1 1 1 1 1 18 1 hydrogen helium 8 9 10 lithium beryllium boron carbon nitrogen oxygen fluorine neon 11 1 1 1 1 1 1 18 sodium magnesium aluminum silicon phosphorus sulfur chlorine argon 19 0 1 8 9 0 1 potassium calcium scandium titanium vanadium chromium manganese iron cobalt nickel copper zinc gallium germanium arsenic selenium bromine krypton 8 9 0 1 8 9 0 1 rubidium strontium yttrium zirconium niobium molybdenum technetium ruthenium rhodium palladium silver cadmium indium tin antimony tellurium iodine xenon 8 9 80 81 8 8 8 8 8 cesium barium lanthanum hafnium tantalum tungsten rhenium osmium iridium platinum gold mercury thallium lead bismuth polonium astatine radon 8 88 89 10 10 10 10 108 109 110 111 11 francium radium actinium rutherfordium dubnium seaborgium bohrium hassium meitnerium darmstadtium roentgenium copernicium 8 9 0 1 8 9 0 1 cerium praseodymium neodymium promethium samarium europium gadolinium terbium dysprosium holmium erbium thulium ytterbium lutetium 90 91 9 9 9 9 9 9 98 99 100 101 10 10 thorium protactinium uranium neptunium plutonium americium curium berkelium californium einsteinium fermium mendelevium nobelium lawrencium
Classification of the Elements 1 8 9 10 11 1 1 1 1 1 1 18 1 non-metal non-metal 8 9 10 metallic metallic metalloid non-metal non-metal non-metal non-metal non-metal 11 1 1 1 1 1 1 18 metallic metallic metallic metalloid non-metal non-metal non-metal non-metal 19 0 1 8 9 0 1 metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metalloid metalloid non-metal non-metal non-metal 8 9 0 1 8 9 0 1 metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metalloid metalloid non-metal non-metal 8 9 80 81 8 8 8 8 8 metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic non-metal non-metal 8 88 89 10 10 10 10 108 109 110 111 11 metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic 8 9 0 1 8 9 0 1 metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic 90 91 9 9 9 9 9 9 98 99 100 101 10 10 metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic metallic
Group (Family) Names 1 8 9 10 11 1 1 1 1 1 1 18 1 8 9 10 11 1 1 1 1 1 1 18 19 0 1 8 9 0 1 8 9 0 1 8 9 0 1 8 9 80 81 8 8 8 8 8 8 88 89 10 10 10 10 108 109 110 111 11 group 1: alkali metals (except ) group : alkaline earth metals groups -1: outer transition metals group 1: boron family group 1: carbon family group 1: nitrogen (pnictogen) family group 1: oxygen (chalcogen) family group 1: halogen family group 18: noble gas family lanthanoid and actinoid series: inner transition metals 8 9 0 1 8 9 0 1 90 91 9 9 9 9 9 9 98 99 100 101 10 10
Electronegativity (Pauling) 1 8 9 10 11 1 1 1 1 1 1 18 1.0 8 9 10 0.98 1..0..0..98 11 1 1 1 1 1 1 18 0.9 1.1 1.1 1.90.19.8.1 19 0 1 8 9 0 1 0.8 1.00 1. 1. 1. 1. 1. 1.8 1.88 1.91 1.90 1. 1.81.01.18..9.00 8 9 0 1 8 9 0 1 0.8 0.9 1. 1. 1.0.1.10.0.8.0 1.9 1.9 1.8 1.9.0.10..0 8 9 80 81 8 8 8 8 8 0.9 0.89 1.10 1.0 1.0 1.0 1.90.0.0.8..00 1...0.00.0.0 8 88 89 10 10 10 10 108 109 110 111 11 0.0 0.90 1.10 8 9 0 1 8 9 0 1 1.1 1.1 1.1 1.1 1.1 1.0 1.0 1.10 1. 1. 1. 1. 1.10 1. 90 91 9 9 9 9 9 9 98 99 100 101 10 10 1.0 1.0 1.8 1. 1.8 1.1 1.8 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Electron Affinity (kj/mol) 1 8 9 10 11 1 1 1 1 1 1 18 1. 8 9 10 9. 0.00.99 11.8.00 10.98 8.1 0.00 11 1 1 1 1 1 1 18.8 0.00 1. 1.0.0 00.1 8. 0.00 19 0 1 8 9 0 1 8.8. 1. 118.9 8. 19.9. 0.00 8 9 0 1 8 9 0 1.88. 8.90 10.0 10.0 190.0 9.1 0.00 8 9 80 81 8 8 8 8 8.0 1.9 19.0.10 91.0 18.0 0.10 0.00 8 88 89 10 10 10 10 108 109 110 111 11 8 9 0 1 8 9 0 1 90 91 9 9 9 9 9 9 98 99 100 101 10 10
First Ionization Energy (kj/mol) 1 8 9 10 11 1 1 1 1 1 1 18 1 11.0. 8 9 10 0. 899. 800. 108. 10. 11.9 181.0 080. 11 1 1 1 1 1 1 18 9.8.. 8. 1011.8 999. 11. 10. 19 0 1 8 9 0 1 18.8 89.8.1 8.8 0.9.9 1.. 0..1. 90. 8.8. 9. 91.0 119.9 10.8 8 9 0 1 8 9 0 1 0.0 9. 99.9 0.1.1 8. 10. 19. 80. 1.0 8.8 8. 08. 80. 89. 1008. 110. 8 9 80 81 8 8 8 8 8. 0.9 8. 8. 8.8.8 81. 8. 8. 890.1 100.1 89. 1. 0.0 8 88 89 10 10 10 10 108 109 110 111 11 8 9 0 1 8 9 0 1 90 91 9 9 9 9 9 9 98 99 100 101 10 10
Empirical Atomic Radii (pm) 1 8 9 10 11 1 1 1 1 1 1 18 1 1 8 9 10 1 10 8 0. 0. 0. 8 11 1 1 1 1 1 1 18 180. 10. 1 110. 100. 100. 100. 1 19 0 1 8 9 0 1 0. 180. 1 10. 1 10. 10. 10. 1 1 1 1 10. 1 11 11 11 88 8 9 0 1 8 9 0 1 00. 180. 1 1 1 1 10. 1 10. 10. 1 1 1 1 10. 10. 108 8 9 80 81 8 8 8 8 8 0. 1 188 1 1 1 1 10. 1 1 1 10. 190. 180. 10. 190. 1 10. 8 88 89 10 10 10 10 108 109 110 111 11 1 19 8 9 0 1 8 9 0 1 18 18 18 181 180. 0 180. 18 1 1 1 1 19 1 90 91 9 9 9 9 9 9 98 99 100 101 10 10 180. 180. 1 1 1 1
Covalent Radii (pm) 1 8 9 10 11 1 1 1 1 1 1 18 1 8 8 8 9 10 1 90. 8 1 11 1 1 1 1 1 1 18 1 10. 118 111 10 10 99 9 19 0 1 8 9 0 1 19 1 1 1 1 1 19 1 1 11 18 11 1 1 119 11 11 11 8 9 0 1 8 9 0 1 11 19 1 18 1 1 1 1 1 11 1 18 1 11 18 1 1 10. 8 9 80 81 8 8 8 8 8 198 19 10. 18 1 19 18 1 18 1 19 18 1 1 1 10. 1 8 88 89 10 10 10 10 108 109 110 111 11 8 9 0 1 8 9 0 1 90 91 9 9 9 9 9 9 98 99 100 101 10 10
van der Waals Radii (pm) 1 8 9 10 11 1 1 1 1 1 1 18 1 109 10. 8 9 10 18 1 19 10. 1 1 1 1 11 1 1 1 1 1 1 18 1 18 10. 180. 180. 1 188 19 0 1 8 9 0 1 1 11 1 10. 19 18 11 18 190. 18 0 8 9 0 1 8 9 0 1 0 9 1 1 18 19 1 0 0 198 1 8 9 80 81 8 8 8 8 8 8 1 1 1 19 0 0 19 0 0. 8 88 89 10 10 10 10 108 109 110 111 11 8 9 0 1 8 9 0 1 90 91 9 9 9 9 9 9 98 99 100 101 10 10