The Periodic Table of Elements is the best "cheat sheet" used by students of chemistry, IF they can learn the patterns hidden in the table.

Listed below are links to some of the periodic table sites on the Internet; some you will find more useful than others, and some more accurate than others. For example, not all tables announce that elements 114 and 116 had been found in 1999. Nevertheless, these sites have much valuable information contained in their pages.

OOPS!!! Update: 8/01: What was thought to be element 118 wasn't. Story here & here.

Periodic table facts here     for translation of archaic chemical terms     for help on other chemistry topics           To You Eat THAT? or Food that Bugs You                                 Please report broken/lost/dead links!          latest update on: 11 Aug., 2004   ©1999-2004 Susan D. Loder Omaha North High Chemistry

History http://chemlab.pc.maricopa.edu/periodic/about.html#history http://members.aol.com/profchm/periodic.html http://chemlab.pc.maricopa.edu/periodic/periodic.html#tidbits scroll down for a REALLY impressive list of other periodic tables! Explanations http://wine1.sb.fsu.edu/chm1045/notes/Atoms/PTable/Atoms04.htm http://www.chem4kids.com/elements/table.html http://library.thinkquest.org/3659/pertable/ http://www.colorado.edu/physics/2000/periodic_table/index.html check out 1 and 2 here! Elements in alphabetical list http://www.periodic.lanl.gov/list1.html For information gathering: http://www.webelements.com/ or http://www.webelements.com/webelements/scholar/index.html http://www.chemicalelements.com/ http://www.chemicool.com http://klbproductions.com/yogi/periodic/ http://www.shef.ac.uk/~chem/web-elements/ http://www.vanderkrogt.net/elements/ http://periodictable.com http://library.thinkquest.org/12909/main2.html http://www.chem.qmw.ac.uk/iupac/AtWt/ official atomic masses http://pearl1.lanl.gov/periodic/ http://library.thinkquest.org/2690/ptable/ptable.html http://library.thinkquest.org/C0110203/othertables.htm different arrangements http://www.chemtutor.com/elem.htm http://www.colorado.edu/physics/2000/applets/a2.html Spectra and more of first 36 elements. WOW! http://www.ch.cam.ac.uk/SGTL/elements http://www.ch.cam.ac.uk/misc/weii/table.html http://www.lenntech.com/periodic-chart.htm includes health effects http://www.chemsoc.org/viselements/pages/pertable_j.htm May be slow to http://ir.chem.cmu.edu/IrProject/applets/perTable/applet.asp  download  INFO ON MACRONUTRIENTS, MICRONUTRIENTS [check each site for info on your element of interest]  http://www.healthy.net/nutrit/nutinfo/dietsup/idsinfo/minerals/index.html lists macro minerals, toxic minerals http://www.nutrition.org/nutinfo/ http://www.healthy.net/library/books/haas/minerals/ health notes for minerals http://bookman.com.au/vitamins/  BIOLOGICAL ROLES OF ELEMENTS    http://www.tokyo-center.genome.ad.jp/kegg/catalog/elements.html highlighted elements have biological roles http://cnn.com/FOOD/resources/food.for.thought/vitamins.minerals/ vitamin and mineral recommendations http://www.exhibits.pacsci.org/nutrition/more/glossary.html go to more nutrition info--- list of mineral functions http://www.nal.usda.gov/fnic/etext/fnic.html food and nutrition info http://www.acsh.org/nutrition/index.html  INFO ON SPECIFIC ELEMENTS AS NUTRIENTS Cu Mg Na Ca http://www.copperinfo.com/health/index.shtml General  http://environment.copper.org/uk/uk96.html health http://innovations.copper.org/1998/10/nebraska.html Nebr Cu http://environment.copper.org/e_review.html more http://www.mgwater.com/ magnesium http://www.saltinstitute.org/27.html#4 table salt in human nutrition--great links! http://www.eatright.com/nfs/nfs79.html Ca in nutrition http://www.mayohealth.org/mayo/pted/htm/iron.htm more on calcium  Not so healthy elements  Rn  http://energy.cr.usgs.gov/radon/radonhome.html Practice, practice, practice! Games to practice Periodic Table Games http://chemistry2.csudh.edu/ptablegames/ptablegames.html Practice locating the elements on the table [works with IE 4 or higher but NOT Netscape!] Practice quiz, element games, periodic table quizzes [note the three different links] Elements here or here, Families of the Periodic Table, General Information on the Periodic table or identify metals vs. nonmetals & metalloids by using electron configurations [double practice!] PT website review: go here , choose one of the alternate versions of the Periodic Table. Analyze the arrangement in terms of strengths and weaknesses of this method of organization. RECORD AND TURN IN YOUR ANSWER TO THE FOLLOWING QUESTIONS : 1) What are the strengths of this arrangement? {what's good about it?] 2) What are the weaknesses of this arrangment? [what's not so good?] 3) What does this arrangement imply or suggest about the existence of as yet unknown elements? [is there room for new elements?] 4) Does this arrangment allow easy visualization of periodic trends? [you may have to check your book!] 5) Other comments about this arrangement.

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