Periodic Table -Handout_4

Periodic Table -Handout_4 - Handout #4 THE PERIODIC TABLE...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Handout #4 THE PERIODIC TABLE (1) 109 Known Elements - 90 naturally occurring, 19 artificial or synthetic. (possibly up to 112 or 114 elements if some ongoing experiments confirmed) (2) Every element above atomic number 83 (Bismuth, Bi) is radioactive . (3) Element Names & Symbols - 1 letter, 1st 2 letters, 2 letters from name, 2 letters from Latin or Greek name. Elements named after (a few examples) : People - 99 Einsteinium, 102 Nobelium, 103 Lawrencium. Places - 67 Holmium, 97 Berkelium, 98 Californium, 95 Americium, 87 Francium. Mythical Gods & Goddesses - 90 Thorium, 80 Mercury. Planets & Celestial Bodies - 92 Uranium, 93 Neptunium, etc. Properties - 35 Bromine ( bromos -stench), 36 Krypton (scarce), 18 Argon ( argos - inactive, lazy one). (4) Physical States (at Room Temp) - Most are solids (> 90%), most are metals. 2 liquids at room T: Hg - Mercury, Br – Bromine (Cs – mp is 28°C…close to liq) 11 gases: Rn - Radon, He - Helium, Ne - Neon, Ar - Argon, Kr - Krypton, Xe - Xenon. (these are monoatomics)
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/21/2009 for the course CHEM 101 taught by Professor Farahh during the Fall '02 term at UNC.

Ask a homework question - tutors are online