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  2. Chemical Formulas
  3. Stoichiometry
  4. Gases and Kinetics
  5. Energy of Reactions
  6. Equilibrium
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  8. Redox
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  10. Bonding
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Atomic Structure and Periodic Trends

Guiding Questions:

  • How do we know what stars are made of?
  • How are elements formed?
  • Are all atoms of an element the same?
  • How do we measure atoms if they are so small?

What you should learn:

  1. Atoms are made up of 3 subatomic particles and a lot of empty space; two particles make up the mass of the atom and are located in the nucleus and one, the electron, is located in the area outside of the nucleus.
  2. The color of light indicates the relative amount of energy of the light.
  3. TOK: What is the significance of the model of the atom in the different areas of knowledge? Are the models and theories that scientists create accurate descriptions of the natural world, or are they primarily useful interpretations for prediction, explanation and control of the natural world?
  4. TOK: The early discoverers of the elements allowed chemistry to make great steps with limited apparatus, often derived from the pseudoscience of alchemy. Lavoisier’s work with oxygen, which overturned the phlogiston theory of heat, could be discussed as an example of a paradigm shift.
  5. Int: The discovery of the elements and the arrangement of them is a story that exemplifies how scientific progress is made across national boundaries by the sharing of information.
  6. Spectroscopic information can be used to identify elements because the amount of energy that can be absorbed or emitted is dependent on how much energy it takes to change the motion or position of a particle within an atom which is controlled by the atomic structure of the substance

Objectives:

Unit Outline

Lecture Notes:

  • Periodic Trends

  • Assignments:


    Labs:





     
     


       
       
       
       
     
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