![]() ![]() As can be seen in the figures below, the atomic radius increases from top to bottom in a group. ![]() According to bents rule more electronegative element occupies axial. If you need to cite this page, you can copy this text: Atomic radii vary in a predictable way across the periodic table. Most importantly, all the atomic orbitals involved in this hybridization are in the. Name alphabetically, 3,8939, Cesium - Atomic number, 4,0727, Francium - Symbol, 4,1771, Rubidium - Atomic Mass, 4,3407, Potassium - Electronegativity, 4,9. Skip to site menu on this page Periodic Table of Elements Sorted by Atomic Radius Name Sym # 0.49 Å Helium He 2 0.51 Å Neon Ne 10 0.57 Å Fluorine F 9 0.65 Å Oxygen O 8 0.75 Å Nitrogen N 7 0.79 Å Hydrogen H 1 0.88 Å Argon Ar 18 0.91 Å Carbon C 6 0.97 Å Chlorine Cl 17 1.03 Å Krypton Kr 36 1.09 Å Sulfur S 16 1.12 Å Bromine Br 35 1.17 Å Boron B 5 1.22 Å Selenium Se 34 1.23 Å Phosphorus P 15 1.24 Å Xenon Xe 54 1.32 Å Iodine I 53 1.33 Å Arsenic As 33 1.34 Å Radon Rn 86 1.4 Å Beryllium Be 4 1.42 Å Tellurium Te 52 1.43 Å Astatine At 85 1.46 Å Silicon Si 14 1.52 Å Germanium Ge 32 1.53 Å Polonium Po 84 1.53 Å Antimony Sb 51 1.53 Å Zinc Zn 30 1.57 Å Copper Cu 29 1.62 Å Nickel Ni 28 1.63 Å Bismuth Bi 83 1.67 Å Cobalt Co 27 1.71 Å Cadmium Cd 48 1.72 Å Tin Sn 50 1.72 Å Iron Fe 26 1.72 Å Magnesium Mg 12 1.75 Å Silver Ag 47 1.76 Å Mercury Hg 80 1.79 Å Palladium Pd 46 1.79 Å Manganese Mn 25 1.79 Å Gold Au 79 1.81 Å Gallium Ga 31 1.81 Å Lead Pb 82 1.82 Å Aluminum Al 13 1.83 Å Platinum Pt 78 1.83 Å Rhodium Rh 45 1.85 Å Chromium Cr 24 1.87 Å Iridium Ir 77 1.88 Å Actinium Ac 89 1.89 Å Ruthenium Ru 44 1.92 Å Vanadium V 23 1.92 Å Osmium Os 76 1.95 Å Technetium Tc 43 1.97 Å Rhenium Re 75 2.0 Å Indium In 49 2.0 Å Titanium Ti 22 2.01 Å Molybdenum Mo 42 2.02 Å Tungsten W 74 2.05 Å Lithium Li 3 2.08 Å Niobium Nb 41 2.08 Å Thallium Tl 81 2.09 Å Scandium Sc 21 2.09 Å Tantalum Ta 73 2.16 Å Hafnium Hf 72 2.16 Å Zirconium Zr 40 2.23 Å Sodium Na 11 2.23 Å Calcium Ca 20 2.25 Å Lutetium Lu 71 2.27 Å Yttrium Y 39 2.4 Å Ytterbium Yb 70 2.42 Å Thulium Tm 69 2.45 Å Strontium Sr 38 2.45 Å Erbium Er 68 2.47 Å Holmium Ho 67 2.49 Å Dysprosium Dy 66 2.51 Å Terbium Tb 65 2.54 Å Gadolinium Gd 64 2.56 Å Europium Eu 63 2.59 Å Samarium Sm 62 2.62 Å Promethium Pm 61 2.64 Å Neodymium Nd 60 2.67 Å Praseodymium Pr 59 2.7 Å Cerium Ce 58 2.74 Å Lanthanum La 57 2.77 Å Potassium K 19 2.78 Å Barium Ba 56 2.98 Å Rubidium Rb 37 3.34 Å Cesium Cs 55 Arrange the members of each of the following sets of elements in order of increasing first ionization energies: (a) the alkali metals. ![]()
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