41. Chemistry - Elements & Compounds Element Name. Element Symbol. Element Name. H, Hydrogen, Mn, Manganese. Cl, Chlorine,Hg, Mercury. Ar, Argon, Pb, Lead. K, Potassium, Cr, Chromium. Ca, Calcium, Ti,Titanium. http://qldscienceteachers.tripod.com/junior/chem/elements.html

var cm_role = "live" var cm_host = "tripod.lycos.com" var cm_taxid = "/memberembedded" Check out the NEW Hotbot Tell me when this page is updated AN ATOM Atom - smallest unit of all matter, that is composed of 3 sub-atomic particles called protons, electrons and neutrons Proton - the 'heavy' positively-charged particle in the nucleus of an atom Electron - the very 'light' negatively-charged particle that orbits the nucleus of an atom Neutron - the 'heavy' uncharged particle in the nucleus of an atom Uncharged or unreacted atoms have the same number of positive protons and negative electrons. Approximate size of atoms - Millions of atoms could fit on the sharp point of a needle. Also, if you imagine that an atom is the size of an oval, a proton and a neutron would be the size of footballs in the middle of the oval, and the electron would be the size of a rice grain racing around the running lane. ATOMIC NUMBER AND ATOMIC MASS An Example from the Periodic Table Atomic Number - the number of protons in an unreacted atom Mass Number - the number of protons and neutrons together ATOMIC DIAGRAMS Protons and neutrons are in the nucleus.

42. Periodic Table Of Elements Detailed data, basic nuclides, limited writeups, requires Javascript A Javascript based periodic table. http://atlas.chemistry.uch.gr/ptoe/

Sorry, your browser does not support frames. Come back with a frame-enabled browser.

43. Chemistry Links The Periodic Table of elements for K12 - An online interactive periodictable of the elements. The Chemicool Periodic Table. chemistry. http://www.littletonps.org/schools/high/Library/Resource.Links/Science/ScienceCh

Periodic Table of the Elements Visual Interpretation of the Table of Elements Gr. 4+. International Chemical Societies' Electronic Network. WebElements - Great Site! The Periodic Table of Elements for K-12 - An online interactive periodic table of the elements. The Chemicool Periodic Table Chemistry Wilton High School Chemistry - Gr. 8-12. Bob Jacobs. Chemistry demonstrations and experiments. Mr. Guch's Cavalcade o' Chemistry Lesson plans, labs, worksheets, activities, handouts, and tests for teachers, and a helpdesk and tutorial links for students. Chemistry Teacher Resource Chemfinder Web Server - Searches advanced chemistry databases Chemist's Art Gallery Contains visualizations and animations in chemistry from around the world. ChemViz NCSA. Computing and communication tools high school teachers and their students can do their own research with by visualizing atomic and molecular orbitals using computational methods. International Boiling Point Project Grades: Middle School, High School. Stevens Institute of Technology in Hoboken, New Jersey. International physical science experiment where students collect, share, and analyze data to determine what factors influence the boiling point of water. MathMol: Mathematics and Molecules K-12 To provide the K-12 educational community with information and materials dealing with the rapidly growing fields of molecular modeling and 3-D visualization.

44. General Chemistry Online: FAQ: The Periodic Table: What Elements Are Liquids At than those of any other known element. Rb), another soft reactive metal, melts at312.46 K. do relativistic effects not get into chemistry textbooks? Journal http://antoine.frostburg.edu/chem/senese/101/periodic/faq/liquid-elements.shtml

Home Common Compounds Exam Guide FAQ Features Glossary Companion Notes Just Ask Antoine! ... Electrons in atoms The periodic table Chemical bonds Solids Liquids Solutions ... Next Question What elements are liquids at room temperature? Two elements are liquid at room temperature (298 K): Bromine (Br) , an reddish brown liquid with a suffocating odor, melts at 265.9 K. Mercury (Hg) , a toxic metal, melts at 234.32 K. (See Why is mercury a liquid at STP? Four elements melt just a few degrees above room temperature. Francium (Fr) , a radioactive and extremely reactive metal, melts around 300 K. The false color image at left shows 10,000 francium atoms in a laser trap. (For more about francium, see the Orozco group's francium research page at SUNY-Stony Brook.) Cesium (Cs) , a soft metal that violently reacts with water, melts at 301.59 K. Like francium, cesium's low melting point and softness is a consequence of the size of its atoms: Cs atoms are larger than those of any other known element . The positive charge of a Cs core is spread over the atom's large surface area, and less energy is required to push Cs atoms out of place in the metal.

45.   Mr.Bright's Chemistry Home Page Contains links to an interactive Periodic Table of elements, a summary of molecular shapes and electron pair geometry, as well as animations on molecular models. http://mrbright.8m.com/

This page uses frames, but your browser doesn't support them. so don't worry Please follow this link to enter the site

46. General Chemistry Online: FAQ: The Periodic Table: What Elements Are Liquids At Rubidium (Rb), another soft reactive metal, melts at 312.46 K. Further reading. GeneralChemistry Online! What elements are liquids at room temperature? http://antoine.frostburg.edu/chem/senese/101/periodic/faq/print-liquid-elements.

What elements are liquids at room temperature? Two elements are liquid at room temperature (298 K): Bromine (Br) , an reddish brown liquid with a suffocating odor, melts at 265.9 K. Mercury (Hg) , a toxic metal, melts at 234.32 K. (See Why is mercury a liquid at STP? Four elements melt just a few degrees above room temperature. Francium (Fr) , a radioactive and extremely reactive metal, melts around 300 K. The false color image at left shows 10,000 francium atoms in a laser trap. (For more about francium, see the Orozco group's francium research page at SUNY-Stony Brook.) Cesium (Cs) , a soft metal that violently reacts with water, melts at 301.59 K. Like francium, cesium's low melting point and softness is a consequence of the size of its atoms: Cs atoms are larger than those of any other known element . The positive charge of a Cs core is spread over the atom's large surface area, and less energy is required to push Cs atoms out of place in the metal. Gallium (Ga) , a grayish metal, melts at 303.3 K. Gallium's near-ambient melting point is sometimes demonstrated with a picture of a gallium rod liquefying in someone's bare hand. Wear gloves if you try this yourself: gallium causes skin rashes and can depress bone marrow function. Rubidium (Rb) , another soft reactive metal, melts at 312.46 K.

47. Chemistry Interactive version of the periodic table with pictures of elements. Includes a printable version. http://site.ifrance.com/okapi/chemistry.htm

48. Chemistry Of Nonmetals Contains extensive information regarding nonmetallic elements. PDF Format http://www38.homepage.villanova.edu/scott.kassel/pdf_files/nonmetals.pdf

49. K-9 To K-12 CHEMISTRY GCSE Elements - Compounds - Mixtures - Separation elements, Compounds and Mixtures. elements. Compounds. Mixtures andSeparation Techniques. Solid, Liquid and Gas. Diffusion. back next. http://www.gcsechemistry.com/xe1.htm

Elements, Compounds and Mixtures Elements Compounds Mixtures and Separation Techniques ... Index

50. Acorn Education - Software, Chemistry Software chemistry. !SparkPlug - David Pilling. Periodic - Chris Johnson. Periodictable. Contains properties of elements, 39.4K. RASMOL - Martin Würthner. http://www.acornusers.org/education/Chemistry.html

Software - Chemistry !SparkPlug - David Pilling This is the piece of kit needed to de-archive the files on this site A-B-C - Chris Johnson Series First Order kinetics, 37.1K Energy - Chris Johnson Translational and rotational energies and populations, 42.9K Isomass - Chris Johnson Isotope abundancies, 34K Kinetic - Robert Seago Kinetic energies of gases in a box, 33K Molecule Demo - Roderick Ferguson Minimum energy conformation of molecules - DEMO, 36.2K MoleDraw - Simon Kilvington Acorn version of the popular structure drawing program, 337.2K MolWeight - Chris Johnson RMM Calculator, 35.9K ORTEP 3.1 - Kate Crennell (porter) Acorn port of the Oak Ridge Thermal Eliptoid Program, 307.9K Periodic - Chris Johnson Periodic table. Contains properties of elements, 39.4K RASMOL - Martin Würthner Acorn version of the molecular modeller and displayer package, 234.9K RMMCalc - Paul Johnson RMM Calculator. Requires the WimpBasic modules, 18.8K (calc), 49.6K (module). NEW VERSION - see here for more Wave Function - Chris Johnson Plots wave functions, 35.8K

51. Chemistry 1951 (1912 1999) 1951 Nobel Prize in chemistry joint discovery in the chemistry of the transuranium elements with Edwin Mattison McMillan. USA, University of California, Berkeley, CA, USA. http://www.nobel.se/chemistry/laureates/1951/index.html

The Nobel Prize in Chemistry 1951 "for their discoveries in the chemistry of the transuranium elements" Edwin Mattison McMillan Glenn Theodore Seaborg 1/2 of the prize 1/2 of the prize USA USA University of California Berkeley, CA, USA University of California Berkeley, CA, USA b. 1907 d. 1991 b. 1912 d. 1999 The Nobel Prize in Chemistry 1951 Presentation Speech Edwin M. McMillan Biography ... Other Resources The 1951 Prize in: Physics Chemistry Physiology or Medicine Literature ... Peace Find a Laureate: SITE FEEDBACK CONTACT TELL A FRIEND Last modified June 23, 2003 The Official Web Site of The Nobel Foundation

52. Chemistry - Links For Chemists - Information - Periodic Tables Table of the elements @ A K Petrochem CA; Periodic Table of the elements 1954 US;Periodic Table Periodiska System SE; Program chemistry CZ; The Periodic Table http://www.liv.ac.uk/Chemistry/Links/refperiodic.html

Links for Chemists Chemistry section of the WWW Virtual Library Virtual Library Science Chemistry : Periodic Tables Before browsing below... the tables you should visit first are... Visual Elements Periodic Table @ Chemsoc.org UK WebElements @ Sheffield UK You might wish to listen to Tom Lehrer's Elements song (flash animated), it is available here as an audio file and you can also 4bookmark read the lyrics Now on to the rest... 3D Periodic Table of Radii @ Washington State US Apsidium DE (Suomeksi) @ Joensuu FI ChemEasy US ChemGlobe CH Chemical Elements and their Symbols @ The Learning Group US Chemical Elements.com US ChemiCool US Chinese Periodic Table @ Ithica US Comicbook Periodic Table @ Kentucky US Development of the Periodic Table @ Western Oregon US Dr Rob's Periodic Table UK Elementistory @ DeMontfort UK Extended Periodic Table US Extended Periodic Table of the Elements US General, Organic and Biochemistry - Periodic Table of the Elements @ Akron US Historical Periodic Table in Russian @ Moscow State RU Java-based interactive Periodic Table @ Cambridge UK Java Periodic Table @ Purdue US JavaScript Periodic Table Of The Elements @ Propane CA Mokeur's Periodic Table FR NMR Periodic Table (Polish Periodic Table) PL Periodic Table @ Advanced.org US

53. Quiz Hub: Log In Online learning activity to help chemistry students memorize the locations of common elements within the periodic table. http://quizhub.com/quiz/periodictable.cfm

Log into the Quiz Hub Account: Password: If this page keeps reappearing, please make sure that your web browser accepts QuizHub.com cookies. Subscription Information

54. Windows 95/98 » Educational » Chemistry Download cchem.zip (Jun 1 1999, 66.9K). designed to test part of a larger chemistryprogram. is displaying information about the first 103 elements in the http://www.bookcase.com/library/software/win9x.education.chemistry.html

Chemistry Windows 95/98 Educational CCHEM Summary: Shows info about the first 103 elements. Free License: Freeware Author: Aaron Andersen Email: kc7gza@hotmail.com Homepage: http://www.geocities.com/SiliconValley/Peaks/2845/ Download: cchem.zip (Jun 1 1999, 66.9K) Description: CChemistry is a small program designed to test part of a larger chemistry program. Its only function is displaying information about the first 103 elements in the periodic table. Simply select an element from the list and that element's name, symbol, number, and weight will be displayed on the right. Chemical Formula Tutor Version: Summary: Learn and test License: Shareware Author: Bruce Levett, Chemware Ltd Email: trout@iconz.co.nz Homepage: http://come.to/chemware/ Download: cft13_bl.zip (Mar 1 2000, 868K) Description: Chemical Formula Tutor v1.3 features the following: - Makes learning formula writing easy, at home or in class. - Teachers and students will appreciate the intuitive, interactive drag-and-drop interface. - Helpful tips and cursors, built-in atom counter, Learn Mode, Test Mode (with or without timing), and scoring.

55. Chemistry 1935 (1900 1958) Discovered artificial radioactivity, i.e., new radioactive elements produced by the bombardment of non-radioactive elements with particles or neutrons. Prize shared with his wife Ir¨ne Joliot-Curie. France, Institut du Radium, Paris, France. http://www.nobel.se/chemistry/laureates/1935/index.html

The Nobel Prize in Chemistry 1935 "in recognition of their synthesis of new radioactive elements" Frédéric Joliot Irène Joliot-Curie 1/2 of the prize 1/2 of the prize France France Institut du Radium Paris, France Institut du Radium Paris, France b. 1900 d. 1958 b. 1897 d. 1956 The Nobel Prize in Chemistry 1935 Presentation Speech Biography Nobel Lecture ... Other Resources The 1935 Prize in: Physics Chemistry Physiology or Medicine Literature ... Peace Find a Laureate: SITE FEEDBACK CONTACT TELL A FRIEND Last modified October 16, 2003 The Official Web Site of The Nobel Foundation

56. Group Theory mathematical tools used in Quantum chemistry and Spectroscopy Operations associatedwith the Symmetry elements of a a) Proper Rotations C n k ; k = 1, . n http://www.science.siu.edu/chemistry/tyrrell/group_theory/sym1.html

Go to.... Home Free JavaScripts provided by The JavaScript Source Symmetry in Chemistry - Group Theory Group Theory is one of the most powerful mathematical tools used in Quantum Chemistry and Spectroscopy. It allows the user to predict, interpret, rationalize, and often simplify complex theory and data. At its heart is the fact that the Set of Operations associated with the Symmetry Elements of a molecule constitute a mathematical set called a Group . This allows the application of the mathematical theorems associated with such groups to the Symmetry Operations All Symmetry Operations associated with isolated molecules can be characterized as Rotations: (a) Proper Rotations : C n k ; k = 1,......, n When k = n, C n k = E, the Identity Operation n indicates a rotation of 360/n where n = 1,.... (b) Improper Rotations : S n k , k = 1,....., n When k = 1, n = 1 S n k = s , Reflection Operation When k = 1, n = 2 S n k = i , Inversion Operation In general practice we distinguish Five types of operation: (i) E , Identity Operation (ii) C n k , Proper Rotation about an axis

57. Periodic Table Of The Elements Basic dataInteractive periodic table of the elements http://chemistry.about.com/library/blper5.htm

zJs=10 zJs=11 zJs=12 zJs=13 zc(5,'jsc',zJs,9999999,'') About Homework Help Chemistry Element Facts ... Chemistry Glossary zau(256,152,145,'gob','http://z.about.com/5/ad/go.htm?gs='+gs,''); General Chemistry Branches of Chemistry Demos / Experiments Homework Help ... Help zau(256,138,125,'el','http://z.about.com/0/ip/417/0.htm','');w(xb+xb); Stay Current Subscribe to the About Chemistry newsletter. Search Chemistry Periodic Table of the Elements Click here for the list of element symbols. H He Li Be ... Transition Metal More Element Information Element Symbol Quiz Periodic Table Quiz Timeline of Element Discovery Trends (Periodicity) in the Periodic Table ... What Is the Most Abundant Element? From Anne Marie Helmenstine, Ph.D. Your Guide to Chemistry Sign up for my Newsletter RATE THIS ARTICLE Would you recommend this article? Not at all Definitely Most Popular Periodic Table of the Elements Element Hangman Game Chemistry - Molecular and Chemical Structures Glossary of Chemistry Terms ... Natural Mosquito Repellents What's Hot Chemistry Hangman Game - Amino Acids Turning Lead into Gold Periodic Table of the Elements - Iodine Chemistry Definition ... User Agreement

58. Exam Revision Notes: AS/A-level Chemistry of the elements • The chlorides and oxides of Period 3 elements in the Inorganicgroup chemistry • Group I the alkali metals — Li, Na, K, Rb, Cs http://www.philipallan.co.uk/pages/ern/ernche.html

AS/A-Level Chemistry Exam Revision Notes Rob King Contents Writing chemical equations Atomic structure Calculations Structure and bonding Thermodynamics D D H o D H sol , lattice enthalpy, D H latt , and hydration enthalpy, D H hyd D G Kinetics Chemical equilibria c c p w a b Redox reactions o Periodicity Extraction of metals Inorganic group chemistry Transition metals Functional groups and isomerism in organic chemistry The alkanes, alkenes and benzene The halogenoalkanes, alcohols, ketones and aldehydes H The amines H NH Carboxylic acids and their derivatives Spectroscopic techniques

59. Chemistry Web Resources a comprehensive tutorial environment for chemistry students. begin with matter andmeasurement, elements and atoms Area All Subjects Grade Level K12 Topic http://www.hazelwood.k12.mo.us/~grichert/sciweb/chem.html

Curricular Area: All Subjects Grade Level: K-12 Topic: Chemistry BigChalk.com - Chemistry Description : The biggest study site on the internet. Linking to everything that's fit to learn. Curricular Area: Science Grade Level: 7-12 Topic: Chemistry Chempire A kingdom of Chemistry Resources Description The Chempire is a site designed to aid both students and teachers with high school chemistry. Students can make use of its online, condensed textbook and interactive, randomly-generated practice problems. Teachers can use the Chempire at their school's computer lab in place of busy work, which they would otherwise have to create and correct. Curricular Area: All Subjects Grade Level: K-12 Topic: Chemistry Atomic Website (ThinkQuest) Description Now we know of 112 elements! When the elements are arranged in order, that's known as the Periodic Table. Learn about it at this site. You'll also discover how atoms bond with one another to form molecules. There is also an entertaining section with games. Curricular Area: All Subjects Grade Level: K-12 Topic: Chemistry ChemWeb Online Description ChemWeb Online, the chemistry site which does it all. If you are taking any Chemistry class, high school chemistry, A.P. level chemistry, or even college level chemistry, you will find this site to be an informative study helper.

60. Periodic Tables Hyper chemistry s Periodic Table numeric data plus descriptive Laboratory PeriodicTable of the elements on the table created especially for K-12 students. http://www.chemistry.co.nz/periodic_tables.htm

Previous Level Chemistry Defined Time Capsule Famous Scientists ... Cooking at Altitude [ Periodic Tables ] Crystals Detergents MSDS Links Framed Links ... Links Periodic Tables Mendeleev's Periodic Table Chemicool Periodic Table Comic Book Periodic Table - click on an element in this table and see full, referenced comic book pages and covers involving that element. See how comic book heroes have been influenced by chemistry. Element Tables - information on the elements viewable in periodic table form or listed by name, symbol, or atomic number. Hyper Chemistry's Periodic Table - numeric data plus descriptive information for each element. Michael's Periodic Table of the Elements - with clickable element descriptions. Periodic Table of the Elements at Los Alamos National Laboratory Periodic Table of the Elements on the Internet - up to date periodic table created especially for K-12 students. WebElements - provides detailed information about every element in the Periodic Table. Yogi's Behemoth Periodic Table of Elements Previous Level Chemistry Defined Time Capsule ... What is a Mole?

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