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If you're looking for these types of resources, consider the following websites. Just be sure to ask an adult before starting any chemistry experiment. Better safe than grounded, right? Don't forget that your teacher is always the first person you should go to for help. Also, avoid waiting until the last minute to get help when you need it. Coming to terms with covalent, ionic, and metallic bonding, and with mixtures thereof. Guaranteed to give you more insight to this than your textbook does!
The electron-tunneling model of chemical bonding How can those electron-dot diagrams showing shared electrons happily sitting between the nuclei be consistent with the principle that opposite charges attract? The model described here is the simplest one that really explains bonding, but you are unlikely to find it in any textbook! All about Electrochemistry - An in-depth, comprehensive treatment Steve Lower.
Baird of Brown Univ. Includes numerous examples of application of kinetic molecular theory and a section on real gases. Part of the Chem1 Virtual Textbook. Interactions between molecular units - this tutorial for first-year students looks at ionic-, van der Waals attractions, and the universal repulsive force, and how these lead to potential energy curves. Chemical Kinetics and Dynamics - An introduction to rates of reaction, rate laws, half-life, activation energy, the Arrhenius equation, and reaction mechanisms.
Kinetics Explorer - an introduction to the study of chemical kinetics based on the exploration of dynamic phenomena. Includes some good simulations. Online kinetics simulator from Gary Bertrand. The mole concept, calculations based on formulas and equations - these three chapters of the Chem1 Virtual Textbook provide in-depth treatment at an elementary level. Atomic, molecular and formula masses or "weights" - a nice tutorial, with built-in quiz, for beginning students. Balancing Chemical Equations - this ChemTeam site provides numerous links and drills.
The fall of the electron. How to predict the direction of oxidation-reduction reactions. Discussion of the activity series of the elements and of oxidation-reduction in metabolism.
ChemTeam lessons on oxidation-reduction. This Lawrence Berkeley National Laboratory site allows you to explore the world of fundamental particles and forces and then to investigate the experimental evidence and techniques. What few people realized — and the Curies were reluctant to admit — was the great harm this radioactive element could do. For periodic table T-shirts, neckties, etc. Eric Scerri, author of The Periodic Table: The Periodic Table of Videos - This is not just another periodic table, but a huge resource that has expanded to include more than videos, mostly quite short.
At its simplest, you just click on an element, and watch a two-minute video that describes the element and its uses. There is also a larger series of " Molecular Videos " that describes different chemical substances and their uses — all designed to convey the fascination of Chemistry. Chinese periodic tables - Yes, there are such things!
Comic book periodic table - if both comics and chemistry are important in your life, you'll love this! The Photographic Periodic Table of the Elements - the home page features photographs of or related to the elements, but it includes "many thousands of pages of text, stories, pictures, and data" by Theodore Gray.
It's Elemental - this is not so much a periodic table as a series of links to excellent and interesting articles focussing on the history and uses of each element, written by authors having special expertise or interest in the element.
Periodic Table mnemonic song -. Periodic Table of Poetry "Chemistry and poetry together as never before. If gems like this fascinate you, have a look at this site, which is all about the origins of the element names, not just in English, but in 97 different languages. Periodic Table of Haiku - for those who find elements lyrical.
WebElements Sheffield, UK The elements in this online periodic table are linked to an extensive variety of chemical and physical data as well as background, crystallographic, nuclear, electronic, biological and geological information. You can ever hear how the Brits prounounce the name of the element! How to avoid telling lies with numbers. Provides an understandable, in-depth explanation with many examples.
Lower, Chem1 Virtual Textbook. It uses examples of nanotechnology and advanced materials to explore science and engineering concepts mainly at the college level, but there are also sections for K There are links to movies, lab experiments, kits including Lego nanobricks and instructional materials. Ionic and ion-derived solids - a detailed look at alkali halide energetics and structures, and extended structures.
Introduction to crystals - how the external forms of crystals relate to their internal structures. Cover the empirical laws of crystals, lattices and unit cells, Miller indices, and factors affecting growth habits. Cubic crystal lattices and close packing - the origins of long-range order in solids. Face-centered and body-centered structures. Exploring Materials Engineering - links to a variety of sites relating to materials and polymer science. BuckyBalls Buckminsterfullerenes, those soccer-ball-like carbon structures.
This Nanotechnology Now site has a good overview of nanotubes and Buckyballs and many links. The outstanding site Macrogalleria covers the structures and properties of polymers in an uncommonly engaging way. Lower, Simon Fraser University. Energy, enthalpy, and the First Law - a nice set of tutorials from Purdue U. The biggest, most powerful, most general idea in all of science. A lively, non-mathematical exposition of the way that entropy and activation energy battle it out in the world as we know it.
By Frank Lambert of Occidental College. An alternative version , directed to non-science students and adults, is also available. See also Lambert's non-technical description of how activation energies modify the application of the Second Law. See also Shakespeare and Thermodynamics: Dam the Second Law , and Entropy is Simple If We Avoid the Briar Patches! Explains how the development and evolution of life is consistent with the principle that the entropy of the world never decreases.
All praise Lord Kelvin! A spoof cult site for the thermodynamically inclined. Units and dimensions for chemistry - includes charts showing the ranges of the scales such as length, mass, temperature, etc. Online unit conversions - Here are several useful ones: Units, measures and conversions information can be found at a number of sources: How do I solve it? Just ask Antoine - If your instructor doesn't have the answer, try here!
Ask a Scientist - an online community for science, math and computer science teachers and students. The Chemistry Cluster is a Yahoo group where you can ask or answer! Chemical Forums for students of Chemistry - a place where you can post questions and answers. There are separate forums for high school chemistry, college general chemistry, organic, analytical, physical nuclear and inorganic chemistry, and chemical biology, as well as others of more general interest.
Registration is required, but it is free. ChemiCool forums is another site on which you can post questions and answers relting to General Chemisry and biochemistry as well as organic, theoretical and computational chemistry. Cramster is another board for "chemistry help" with practice exams, textbook excerpts, and user-posted questions.
Chemistry tutors for hire - You can use this WyzAnt site to search for local tutors, review profiles and qualifications, run background checks, and arrange for in-home lessons. Chemistry of Cleaning - a nice overview of the nature of "dirt" and the agents used to get rid of it.
UK page How do detergents work? Chemistry behind cleaning contains many useful links to other sites. Stain removal guide - How to remove just about every kind of stain you can think of. Links to topics from bread to pickles help enhance understanding ot the science behind food and cooking. What's in a modern laundry detergent? Surfactants, builders, flllers, brightening agents to attract consumer dollars. Food Science Videos - good collection of videos.
More Food Chemistry sites: Gas pressure in a can of soda. The Chemistry of Egg Whites - an unusually well-done treatment of this topic. Structure of ice cream - all about the chemistry and physics of your favorite treat from the Dairy Science Faculty of the Unversity of Guelph Ontario, Canada.
Stain removal guide - here is something to make your parents regard you as a Chemistry expert! What's in skunk spray, and what can you do about it?
How to keep jewelry from discoloring your skin. Why does eating asparagus make your pee smell funny? For information on other disgusting bodily fluids and odors, check out the Grossology site. Why is water blue? It's all about O-H bond stretching!
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