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Rutherford Model. Know where the protons and neutrons are, but where are the electrons? If opposite charges attract, why do the electrons not fall into the nucleus?. EMR. Electromagnetic radiation (EMR) is a form of energy that exhibits wavelike behavior as it travels through space.

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Rutherford Model


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    1. Rutherford Model Know where the protons and neutrons are, but where are the electrons? If opposite charges attract, why do the electrons not fall into the nucleus?

    2. EMR • Electromagnetic radiation (EMR) is a form of energy that exhibits wavelike behavior as it travels through space. • Packets of energy (photons) that travel as waves

    3. Structure of a Wave

    4. Energy of a wave Low frequency/large wavelength = low energy High frequency/small wavelength = high energy

    5. Electromagnetic Spectrum • Electromagnetic radiation: Includes radio waves, microwaves, x-rays, and visible light • Spectrum: the range of wavelengths & frequencies of electromagnetic radiation

    6. Electromagnetic Spectrum • Visible Spectrum: A beam of light can be separated into different wavelengths of light when passed through a prism

    7. Which colors of light are high energy? Which colors of light are low energy? http://www.lcse.umn.edu/specs/labs/images/spectrum.gif

    8. Bright-Line Spectra When an element is excited (or energy is applied) the element emits light. When this light is passed through a prism, a unique spectra, called an atomic line spectra, is visible