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Periodic Trends Lab: 3D Graphing (student handout continued)
Element Ionization Energy Atomic Radius Electronegativity
Hydrogen 1312 37 2.2
Helium 2373 32 X
Lithium 513 134 1
Beryllium 899 125 1.6
Boron 801 90 2
Carbon 1086 77 2.6
Nitrogen 1402 75 3
Oxygen 1314 73 3.4
Fluorine 1681 71 4
Neon 2081 69 X
Sodium 496 154 0.9
Magnesium 738 145 1.3
Aluminum 577 130 1.6
Silicon 789 118 1.9
Phosphorous 1012 110 2.2
Sulfur 1000 102 2.6
Chlorine 1251 99 3.2
Argon 1520 97 X
Potassium 419 196 0.8
Calcium 590 174 1
Gallium 579 120 1.8
Germanium 762 122 2
Arsenic 947 122 2.2
Selenium 941 117 2.5
Bromine 1140 114 3
Krypton 3 110 X
Textbook Values for Select Elements
