Period 2 element (English Wikipedia)

Freitas, Robert A. Jr. (1999). Nanomedicine. Landes Bioscience. Tables 3–1 & 3–2. ISBN 1-57059-680-8. Archived from the original on 2018-04-16. Retrieved 2008-10-15.

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Information about beryllium tweeters.

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"IARC Monograph, Volume 58". International Agency for Research on Cancer. 1993. Retrieved 2008-09-18.

iupac.org (Global: 538^th place; English: 863^rd place)

old.iupac.org

"International Union of Pure and Applied Chemistry > Periodic Table of the Elements". IUPAC. Retrieved 2011-05-01.

iupac.org

"Amorphous carbon". IUPAC Compendium of Chemical Terminology (2nd ed.). International Union of Pure and Applied Chemistry. 1997. Retrieved 2008-09-24.^{[dead link]}

goldbook.iupac.org

"diamond-like carbon films". IUPAC Compendium of Chemical Terminology (2nd ed.). International Union of Pure and Applied Chemistry. 1997. doi:10.1351/goldbook.D01673. Retrieved 2008-09-24.

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Vander Wal, R. (May 1996). "Soot Precursor Material: Spatial Location via Simultaneous LIF-LII Imaging and Characterization via TEM" (PDF). NASA Contractor Report (198469). Retrieved 2008-09-24.^{[dead link]}

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Cade J. F. J. (1949). "Lithium salts in the treatment of psychotic excitement" (PDF). Medical Journal of Australia. 2 (10): 349–52. doi:10.1080/j.1440-1614.1999.06241.x. PMC 2560740. PMID 18142718.
P. B. Mitchell; D. Hadzi-Pavlovic (2000). "Lithium treatment for bipolar disorder" (PDF). Bulletin of the World Health Organization. 78 (4): 515–7. PMC 2560742. PMID 10885179.
Baldessarini RJ, Tondo L, Davis P, Pompili M, Goodwin FK, Hennen J (October 2006). "Decreased risk of suicides and attempts during long-term lithium treatment: a meta-analytic review". Bipolar Disorders. 8 (5 Pt 2): 625–39. doi:10.1111/j.1399-5618.2006.00344.x. PMID 17042835.
Blevins, Dale G.; Lukaszewski, Krystyna M. (1998). "Functions of Boron in Plant Nutrition". Annual Review of Plant Physiology and Plant Molecular Biology. 49: 481–500. doi:10.1146/annurev.arplant.49.1.481. PMID 15012243.

ncbi.nlm.nih.gov

Cade J. F. J. (1949). "Lithium salts in the treatment of psychotic excitement" (PDF). Medical Journal of Australia. 2 (10): 349–52. doi:10.1080/j.1440-1614.1999.06241.x. PMC 2560740. PMID 18142718.
P. B. Mitchell; D. Hadzi-Pavlovic (2000). "Lithium treatment for bipolar disorder" (PDF). Bulletin of the World Health Organization. 78 (4): 515–7. PMC 2560742. PMID 10885179.
Alberts, Bruce; Alexander Johnson; Julian Lewis; Martin Raff; Keith Roberts; Peter Walter (2002). "The Chemical Components of a Cell". Molecular Biology of the Cell. Garland Science.

pdrhealth.com (Global: low place; English: low place)

"Boron". PDRhealth. Archived from the original on October 11, 2007. Retrieved 2008-09-18.

plymouthlibrary.org (Global: low place; English: low place)

Ten most abundant elements in the universe, taken from The Top 10 of Everything, 2006, Russell Ash, page 10. Retrieved October 15, 2008. Archived February 10, 2010, at the Wayback Machine

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chemed.chem.purdue.edu

"Structure and Nomenclature of Hydrocarbons". Purdue University. Retrieved 2008-03-23.

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Properties of boron.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Michael Laing (2006). "Where to Put Hydrogen in a Periodic Table?". Foundations of Chemistry. 9 (2): 127–137. doi:10.1007/s10698-006-9027-5. S2CID 93781427.

uc.pt (Global: 6,989^th place; English: low place)

nautilus.fis.uc.pt

"Neon: Isotopes". Softciências. Archived from the original on 2012-11-15. Retrieved 2011-05-01.

uni-hamburg.de (Global: 3,809^th place; English: 5,200^th place)

lb.chemie.uni-hamburg.de

"Compound Descriptions: B₂F₄". Landol Börnstein Substance/Property Index. Retrieved 2007-12-10.

usyd.edu.au (Global: 6,328^th place; English: 4,345^th place)

scienceschool.usyd.edu.au

Presentation about isotopes Archived 2008-07-19 at the Wayback Machine by Mahananda Dasgupta of the Department of Nuclear Physics at Australian National University.

uwaterloo.ca (Global: 3,153^rd place; English: 2,332^nd place)

bernath.uwaterloo.ca

W.T.M.L. Fernando; L.C. O'Brien; P.F. Bernath. "Fourier Transform Spectroscopy: B⁴Σ⁻−X⁴Σ⁻" (PDF). University of Arizona, Tucson. Retrieved 2007-12-10.^{[permanent dead link]}
K.Q. Zhang, B.Guo, V. Braun, M. Dulick, P.F. Bernath. "Infrared Emission Spectroscopy of BF and AIF" (PDF). Retrieved 2007-12-10.{{cite web}}: CS1 maint: multiple names: authors list (link)^{[permanent dead link]}

web.archive.org (Global: 1^st place; English: 1^st place)

Information about chronic beryllium disease.
"Boron". PDRhealth. Archived from the original on October 11, 2007. Retrieved 2008-09-18.
Presentation about isotopes Archived 2008-07-19 at the Wayback Machine by Mahananda Dasgupta of the Department of Nuclear Physics at Australian National University.
Ten most abundant elements in the universe, taken from The Top 10 of Everything, 2006, Russell Ash, page 10. Retrieved October 15, 2008. Archived February 10, 2010, at the Wayback Machine
Freitas, Robert A. Jr. (1999). Nanomedicine. Landes Bioscience. Tables 3–1 & 3–2. ISBN 1-57059-680-8. Archived from the original on 2018-04-16. Retrieved 2008-10-15.
National Nuclear Data Center. "NuDat 2.1 database – fluorine-19". Brookhaven National Laboratory. Archived from the original on 2013-03-21. Retrieved 2011-05-01.
"Neon: Isotopes". Softciências. Archived from the original on 2012-11-15. Retrieved 2011-05-01.

webelements.com (Global: 3,527^th place; English: low place)

Lithium at WebElements.
Beryllium at WebElements.
Boron at WebElements.
Carbon at WebElements.
Nitrogen at WebElements.
"WebElements Periodic Table » Fluorine » the essentials". www.webelements.com.

who.int (Global: 195^th place; English: 302^nd place)

Cade J. F. J. (1949). "Lithium salts in the treatment of psychotic excitement" (PDF). Medical Journal of Australia. 2 (10): 349–52. doi:10.1080/j.1440-1614.1999.06241.x. PMC 2560740. PMID 18142718.
P. B. Mitchell; D. Hadzi-Pavlovic (2000). "Lithium treatment for bipolar disorder" (PDF). Bulletin of the World Health Organization. 78 (4): 515–7. PMC 2560742. PMID 10885179.

Period 2 element (English Wikipedia)

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