Atoms and Elements

Here are some links to Web sites which are useful for exploration of this topic:

• General Chemistry: Questions and Answers
• How do I know that atoms really exist?
• The Discovery of the Electron
• WebElements Periodic Table of the Elements
• Mendeleev and the Periodic Table
• Chlorine as an example of a chemical "building block"
• The Worldwide Web Virtual Library of Chemistry Links
• Scientific Units of Measurement
• Chemistry Equation Balancing Game

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