PeriodicTable - The Modern Periodic Table of the Elements 1...

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The Modern Periodic Table of the Elements 1 18 Hydrogen 1 H 1.01 2.1 2 13 14 15 16 17 Helium 2 He 4.00 --- Lithium 3 Li 6.94 1.0 Beryllium 4 Be 9.01 1.5 Average relative masses are 2001 values, rounded to two decimal places. All average masses are to be treated as measured quantities, and subject to significant figure rules. Do not round them further when performing calculations. Element name Symbol Electronegativity Mercury 80 Hg 200.59 1.9 Atomic # Avg. Mass Boron 5 B 10.81 2.0 Carbon 6 C 12.01 2.5 Nitrogen 7 N 14.01 3.0 Oxygen 8 O 16.00 3.5 Fluorine 9 F 19.00 4.0 Neon 10 Ne 20.18 --- Sodium 11 Na 22.99 0.9 Magnesium 12 Mg 24.31 1.2 3 4 5 6 7 8 9 10 11 12 Aluminum 13 Al 26.98 1.5 Silicon 14 Si 28.09 1.8 Phosphorus 15 P 30.97 2.1 Sulfur 16 S 32.07 2.5 Chlorine 17 Cl 35.45 3.0 Argon 18 Ar 39.95 --- Potassium 19 K 39.10 0.8 Calcium 20 Ca 40.08 1.0 Scandium 21 Sc 44.96 1.3 Titanium 22 Ti 47.88 1.5 Vanadium 23 V 50.94 1.6 Chromium 24 Cr 52.00 1.6 Manganese 25 Mn 54.94 1.5 Iron 26 Fe 55.85
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This note was uploaded on 02/23/2009 for the course CH 310n taught by Professor Iverson during the Spring '08 term at University of Texas at Austin.

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