References (Click the 
next to a value above to see complete citation information for that entry)
Allred, A. L. "Electronegativity Values from Thermochemical Data." Journal of Inorganic and Nuclear Chemistry, volume 17, number 3-4, 1961, pp. 215–221. doi:10.1016/0022-1902(61)80142-5
Anders, Edward, and Nicolas Grevesse. "Abundances of the Elements: Meteoritic and Solar." Geochimica et Cosmochimica Acta, volume 53, number 1, 1989, pp. 197–214. doi:10.1016/0016-7037(89)90286-X
Andres, K., E. Bucher, J. P. Maita, L. D. Longinotti, and R. Flukiger. "Magnetic-Ground-State Properties in Praseodymium Single Crystals." Physical Review B, volume 6, number 1, 1972, pp. 313–317. doi:10.1103/PhysRevB.6.313
Ball, David W. "Elemental Etymology: What's in a Name?" Journal of Chemical Education, volume 62, number 9, 1985, pp. 787–788. doi:10.1021/ed062p787
Campbell, J. L. "Fluorescence Yields and Coster–Kronig Probabilities for the Atomic L Subshells." Atomic Data and Nuclear Data Tables, volume 85, number 2, 2003, pp. 291–315. doi:10.1016/S0092-640X(03)00059-7
Cardarelli, François. Materials Handbook: A Concise Desktop Reference, 2nd edition. London: Springer–Verlag, 2008.
Clementi, E., D. L. Raimondi, and W. P. Reinhardt. "Atomic Screening Constants from SCF Functions. II. Atoms with 37 to 86 Electrons." Journal of Chemical Physics, volume 47, number 4, 1967,
pp. 1300–1307. doi:10.1063/1.1712084
Cohen, E. Richard, David R. Lide, and George L. Trigg, editors. AlP Physics Desk Reference, 3rd edition. New York: Springer-Verlag New York, Inc., 2003.
Connelly, Neil G., Ture Damhus, Richard M. Hartshorn, and Alan T. Hutton. Nomenclature of Inorganic Chemistry: IUPAC Recommendations 2005. Cambridge: RSC Publishing, 2005.
Cordero, Beatriz, Verónica Gómez, Ana E. Platero-Prats, Marc Revés, Jorge
Echeverría, Eduard Cremades, Flavia Barragán, and Santiago Alvarez. "Covalent Radii Revisited." Dalton Transactions, number 21, 2008, pp 2832–2838. doi:10.1039/b801115j
Davis, V. T., and J. S. Thompson. "Measurement of the Electron Affinity of
Praseodymium." Journal of Physics B: Atomic, Molecular and Optical Physics, volume 35, number 1, 2002, pp. L11–L14. doi:10.1088/0953-4075/35/1/102
de Podesta, Michael. Understanding the Properties of
Matter, 2nd edition. London: Taylor & Francis, 2002.
Dronskowski, Richard. Computational Chemistry of Solid State Materials. Weinheim, Germany: WILEY-VCH Verlag GmbH & Co. KGaA, 2005.
Emsley, John. Nature's Building Blocks: An A-Z Guide to the Elements. Oxford: Oxford University Press, 2003.
Emsley, John. The Elements, 3rd edition. Oxford: Oxford University Press, 1998.
Filyand, M. A., and E. I. Semenova. Handbook of the Rare Elements: Radioactive Elements and Rare Earth Elements, volume 3. Translated by Michael E. Alferieff. London: Oldbourne Book Co. Ltd., 1970.
Firestone, Richard B. Table of Isotopes, 8th edition, volume 2. Edited by Virginia S. Shirley, with assistant editors Coral M. Baglin, S. Y. Frank Chu, and Jean Zipkin. New York: John Wiley & Sons, Inc., 1996.
Greenwood, N. N., and A. Earnshaw. Chemistry of the
Elements, 2nd edition. Oxford: Butterworth-Heinemann, 1997.
Gwyn Williams. Electron Binding Energies. http://www.jlab.org/~gwyn/ebindene.html. Accessed on April 30, 2010.
Ho, C. Y., R. W. Powell, and P. E. Liley. "Thermal Conductivity of the Elements: A Comprehensive Review." Journal of Physical and Chemical Reference Data, volume 3, supplement 1, 1974, pp. I–1 to I–796.
Horvath, A. L. "Critical Temperature of Elements and the Periodic System." Journal of Chemical Education, volume 50, number 5, 1973, pp. 335–336. doi:10.1021/ed050p335
Huheey, James E., Ellen A. Keiter, and Richard L Keiter. Inorganic Chemistry: Principles of Structure and Reactivity, 4th edition. New York: HarperCollins College Publishers, 1993.
Ihde, Aaron J. The Development of Modern Chemistry. New York: Dover Publications, Inc., 1984.
Jr., Elbert J. Little,, and Mark M. Jones. "A Complete Table of Electronegativities." Journal of Chemical Education,
volume 37, number 5, 1960, pp. 231–233. doi:10.1021/ed037p231
King, H. W. "Pressure-Dependent Allotropic Structures of the Elements." Bulletin of Alloy Phase Diagrams, volume 4,
number 4, 1983, pp. 449–450. doi:10.1007/BF02868110
King, H. W. "Temperature-Dependent Allotropic Structures of the Elements." Bulletin of Alloy Phase Diagrams, volume 3,
number 2, 1982, pp. 275–276. doi:10.1007/BF02892394
Kittel, Charles. Introduction to Solid State Physics, 8th edition. Hoboken, NJ: John Wiley & Sons, Inc, 2005.
Konings, Rudy J. M., and Ondrej Beneš. "The Thermodynamic Properties of the f-Elements and Their Compounds. I. The Lanthanide and Actinide Metals." Journal of Physical and Chemical Reference Data, volume 39, number 4, 2010, pp. 043102–1 to 043102–47. doi:10.1063/1.3474238
Krause, M. O. "Atomic Radiative and Radiationless Yields for K and L Shells." Journal of Physical and Chemical Reference Data, volume 8, number 2, 1979, pp. 307–327.
Li, Y.-H., and J. E. Schoonmaker. "Chemical Composition and Mineralogy of Marine Sediments." pp. 1–36 in Sediments, Diagenesis, and Sedimentary Rocks. Edited by Fred T. Mackenzie. Oxford: Elsevier Ltd., 2005.
Lide, David R., editor. CRC Handbook of Chemistry and Physics, 88th edition. Boca Raton, Florida: Taylor & Francis Group, 2008.
Manuel, O., editor. Origin of Elements in the Solar
System: Implications of Post-1957 Observations. New York: Kluwer Academic Publishers, 2000.
Marshall, James L. Discovery of the Elements: A Search for the Fundamental Principles of the Universe, 2nd edition. Boston, MA: Pearson Custom Publishing, 2002.
Marshall, James L. "A Living Periodic Table." Journal of Chemical Education, volume 77, number 8, 2000, pp. 979–983. doi:10.1021/ed077p979
Martin, W. C. "Electronic Structure of the Elements." The European Physical Journal C — Particles and Fields, volume 15, number 1–4, 2000, pp. 78–79. doi:10.1007/BF02683401
Martin, W. C., Romuald Zalubas, and Lucy Hagan. Atomic Energy Levels—The Rare-Earth Elements. Washington, D.C.: National Bureau of Standards, 1978.
McDonough, W. F. "Compositional Model for the Earth's Core." pp. 547–568 in The Mantle and Core.
Edited by Richard W. Carlson. Oxford: Elsevier Ltd., 2005.
Mechtly, Eugene A. "Properties of Materials." pp. 4–1 to 4–33 in Reference Data For Engineers: Radio, Electronics, Computer, and Communications. By Mac E. Van Valkenburg, edited by Wendy M. Middleton. Woburn, MA: Butterworth-Heinemann, 2002. doi:10.1016/B978-075067291-7/50006-6
Miessler, Gary L., and Donald A. Tarr. Inorganic Chemistry, 3rd edition. Upper Saddle River, NJ: Pearson Prentice Hall, 2004.
Nagle, Jeffrey K. "Atomic Polarizability and Electronegativity." Journal of the American Chemical Society, volume 112,
number 12, 1990, pp. 4741–4747. doi:10.1021/ja00168a019
Orem, W. H., and R. B. Finkelman. "Coal Formation and Geochemistry." pp. 191–222 in Sediments, Diagenesis,
and Sedimentary Rocks. Edited by Fred T. Mackenzie. Oxford: Elsevier Ltd., 2005.
Palme, H., and H. Beer. "Meteorites and the Composition of the Solar Photosphere." pp. 204–206 in Landolt–Börnstein—Group VI: Astronomy and Astrophysics. Edited by H. H. Voigt. New York: Springer–Verlag, 1993. doi:10.1007/10057790_59
Palme, H., and Hugh St. C. O'Neill. "Cosmochemical Estimates of Mantle Composition." pp. 1–38 in The Mantle and Core. Edited by Richard W. Carlson. Oxford: Elsevier Ltd., 2005.
Pauling, Linus. The Nature of the Chemical Bond, 3rd edition. Ithaca, NY: Cornell University Press, 1960.
Pekka Pyykkö. Self-Consistent, Year-2009 Covalent Radii. http://www.chem.helsinki.fi/~pyykko/Radii09.pdf. Accessed on November 20, 2010.
Prohaska, Thomas, Johanna Irrgeher, Jacqueline Benefield, John K. Böhlke,
Lesley A. Chesson, Tyler B. Coplen, Tiping Ding, Philip J. H. Dunn, Manfred Gröning, Norman E. Holden, Harro A. J. Meijer, Heiko Moossen, Antonio Possolo, Yoshio Takahashi, Jochen Vogl, Thomas Walczyk, Jun Wang, Michael E. Wieser, Shigekazu Yoneda, Xiang-Kun Zhu, and Juris Meija. "Standard Atomic Weights of the Elements 2021 (IUPAC Technical
Report)." Pure and Applied Chemistry, volume 94, number 5, 2022, pp. 573–600. doi:10.1515/pac-2019-0603
Pyykkö, Pekka, and Michiko Atsumi. "Molecular Double-Bond Covalent Radii
for Elements Li-E112." Chemistry - A European Journal, volume 15, number 46, 2009, pp. 12770–12779. doi:10.1002/chem.200901472
Pyykkö, Pekka, and Michiko Atsumi. "Molecular Single-Bond Covalent Radii
for Elements 1-118." Chemistry - A European Journal, volume 15, number 1, 2009, pp. 186–197. doi:10.1002/chem.200800987
Pyykkö, Pekka, Sebastian Riedel, and Michael Patzschke. "Triple-Bond
Covalent Radii." Chemistry - A European Journal, volume 11, number 12, 2005, pp. 3511–3520. doi:10.1002/chem.200401299
Rohrer, Gregory S. Structure and Bonding in Crystalline
Materials. Cambridge: Cambridge University Press, 2001.
Samsonov, G. V., editor. Handbook of the Physicochemical Properties of the Elements. New York: Plenum Publishing Corporation, 1968.
Sansonetti, J. E., and W. C. Martin. "Handbook of Basic Atomic Spectroscopic Data." Journal Of Physical And Chemical Reference Data, volume 34, number 4, 2005, pp. 1559–2259. doi:10.1063/1.1800011
Scientific Group Thermodata Europe (SGTE). Pure
Substances: Part 1—Elements and Compounds from AgBr to Ba3N2. Edited by I. Hurtado and D. Neuschütz. Berlin: Springer-Verlag, 1999. doi:10.1007/10652891_3
Shannon, R. D. "Revised Effective Ionic Radii and Systematic Studies of
Interatomic Distances in Halides and Chalcogenides." Acta Crystallographica Section A, volume 32, number 5, 1976, pp. 751–767. doi:10.1107/S0567739476001551
Silbey, Robert J., Robert A. Alberty, and Moungi G. Bawendi. Physical Chemistry, 4th edition. Hoboken, NJ: John Wiley & Sons, Inc., 2005.
Singman, Charles N. "Atomic Volume and Allotropy of the Elements." Journal of Chemical Education, volume 61, number 2, 1984, pp. 137–142. doi:10.1021/ed061p137
Slater, J. C. "Atomic Radii in Crystals." The Journal of Chemical Physics, volume 41, number 10, 1964, pp. 3199–3204. doi:10.1063/1.1725697
Smith, Derek W. Inorganic Substances: A Prelude to the Study of Descriptive Inorganic Chemistry. Cambridge: Cambridge University Press, 1990.
Soukhanov, Anne H., editor. The American Heritage Dictionary Of The English Language, 3rd edition. Boston: Houghton Mifflin Company, 1992.
Stewart, G. R. "Measurement of Low-Temperature Specific Heat." Review of Scientific Instruments, volume 54, number 1,
1983, pp. 1–11. doi:10.1063/1.1137207
Tari, A. The Specific Heat of Matter at Low Temperatures. London: Imperial College Press, 2003.
Vainshtein, Boris K., Vladimir M. Fridkin, and Vladimir L. Indenbom. Structure of Crystals, 2nd edition. Modern Crystallography 2. Edited by Boris K. Vainshtein, A. A. Chernov, and L. A. Shuvalov. Berlin: Springer-Verlag, 1995.
Voigt, H. H., editor. Landolt–Börnstein—Group VI Astronomy and Astrophysics. Berlin: Springer–Verlag, 1993.
Waber, J. T., and Don T. Cromer. "Orbital Radii of Atoms and Ions." Journal of Chemical Physics, volume 42, number 12, 1965,
pp. 4116–4123. doi:10.1063/1.1695904
Wagman, Donald D., William H. Evans, Vivian B. Parker, Richard H. Schumm, Iva Halow, Sylvia M. Bailey, Kenneth L. Churney, and Ralph L. Nuttall. "Thermal Conductivity of the Elements: A Comprehensive Review." Journal of Physical and Chemical Reference Data, volume 11, supplement 2, 1982, pp. 2–1 to 2–392.
Waldron, Kimberley A., Erin M. Fehringer, Amy E. Streeb, Jennifer E. Trosky, and Joshua J. Pearson. "Screening Percentages Based on Slater Effective
Nuclear Charge as a Versatile Tool for Teaching Periodic Trends." Journal of Chemical Education, volume 78, number 5, 2001, pp. 635–639. doi:10.1021/ed078p635
Weeks, Mary Elvira, and Henry M. Leicester. Discovery of
the Elements, 7th edition. Easton, PA: Journal of Chemical Education, 1968.
Yaws, Carl L. "Liquid Density of the Elements." Chemical Engineering, volume 114, number 12, 2007, pp. 44–46.
Yaws, Carl L. The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals. Houston, TX: Gulf Publishing Company, 2005.
