Sunday, November 24, 2019
Top-25 Chemistry Features and Articles
Top-25 Chemistry Features and Articles What are visitors reading? ThoughtCo. has you covered with this handy list of all of the top chemistry topics readers are perusing. Included in this top-25 listing are brief explanations of what youll find if you click the links. Using the periodic tableà - The periodic table of the elements contains a wide variety of information. Most tables list element symbols, atomic number, and atomic mass at a minimum. The periodic table is organized so you can see trends in element properties at a glance.Chemical and physical changesà -à Chemical and physical changes are related toà chemical and physical properties.à Chemical changes take place on the molecular level. A chemical change produces aà new substance, as this article explains.Printable periodic tablesà - Sometimes its nice to have a paper version of the periodic table of the elements that you can refer to when working problems or doing experiments in the lab. This is a collection of periodic tables that you can print and use. Additional specialty tables are also available.Chemistry glossaryà - Find the definitions to terms in this ever-expanding glossary.à The comprehensive glossary offers definitions for terms which are commonly used in ch emistry and chemical engineering. Printable chemistry worksheetsà - Print worksheets to practice chemistry problems.à The collection of chemistry worksheets is available in PDF format.Facts about acids and bases - Learn the essential about acids, bases and pH. The link provides the top 10 facts ranging from definitions to theà common test of whether an unknown is an acid or a base.Baking soda vs. baking powderà - Baking powder contains baking soda, but the two substances are used under different conditions.à Learn about the difference between the two and how to make substitutions while baking.Can you drink too much water?à - In a word, yes.à Learn whether its possible to drink too much water, how much it takes, and what happens.Chemistry problemsà - Learn how to work problems by using examples.à This collection contains worked general chemistry and introductory chemistry problems, listed in alphabetical orderCrystal methà - The chemical n-methyl-1-phenyl-propan-2-amine is called methamphetamine, m ethylamphetamine or desoxyephedrine. The shortened name is simply meth.à Learn about the chemistry of this well-known illegal drug. How to write a lab reportà - Lab reports are an essential part of all laboratory courses and usually a significant part of your grade.à Here are step-by-step instructions on how to prepare a lab report for chemistry.List of elementsà - This is a list of all the known chemical elements.à The names andà element symbolsà are provided in this comprehensive list.How to calculate concentrationà - Calculating theà concentrationà of a chemicalà solution is a basic skill all students of chemistry must develop early in their studies.à Learn how to determine the concentration of a chemical solution.Heterogeneous vs. homogeneousà - Heterogeneousà andà homogeneousà refer to mixtures of materials in chemistry.à Find out the difference between heterogeneous and homogeneous mixtures and get examples.How to balance equationsà - A chemical equation describes what happens in a chemicalà reaction.à Learn how to set up a balanced equation.Acid-base indicatorsà - An à acid-base indicatorà is a weak acid or a weak base.à Information in this article includes common indicators, with a table showing pH ranges, quantities and colors. How to calculate theoretical yieldà - Before performing chemical reactions, it is helpful to know how much product will be produced with given quantities of reactants.à Learn how to calculate the theoretical yield of a chemical reaction.What is borax?à - Borax is a natural mineral with a chemical formula Na2B4O7à 10H2O.à Find out what borax is and how it cleans and kills bugs. Learn whether its safe to use.Independent vs. dependent variablesà - The two main variables in an experiment are the independent and dependent variable. Learn to understand the difference between independent and dependent variables in a scientific experiment.Firework colorsà - Creating firework colors is a complex endeavor, requiring considerable art and application of physical science.à Learn how the colors are formed with a table of common colorants.Periodic table quizà - Use information about the elements found using a periodic table to answer the questions to this multiple-choice quiz.Nat ural mosquito repellentsà -à You can avoid being bitten by making sure you arent attracting mosquitoes by using a repellent and avoiding actions that diminish the effectiveness of the repellent.à Find natural alternatives to help repel mosquitoes and other insects. Chemistry quizzesà - Look here for all of the quizzes and self-tests and for links to quizzes at other sites.à This collection of chemistry test questions is grouped according to subject.à Home experimentsà - Whether you are homeschooling or simply looking for chemistry activities that you can do with everyday materials, this link will help. The link includes everything from holiday-themed experiments to steps for building a volcano.Science fair experimentsà - Get instructions for setting up your own project.à This list of science fair project ideas is grouped according to topic and educational level. Learn how to make a poster and give a presentation judges will love.
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