CH 101 notes 8-29

CH 101 notes 8-29 - 1A 2A Main Group Elements Transition...

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1 2 3 4 5 6 7 2 3 4 5 6 7 Section 1.10 1A 2A 3A 4A 5A 6A 7A 8A Main Group Elements 3B 4B 5B 6B 7B 8B 2B 8B8B 1B Transition Metals 1 2 3 4 5 6 7 2 3 4 5 6 7 Alkali Metals Alkaline earth Metals Transition Metals Inner Transition Metals Halogens Noble Gases Family or Group Period Section 1.10 Ge As Sb Te At Si B 1 2 3 4 5 6 7 2 3 4 5 6 7 Metals Nonmetals Metalloids Section 1.10 K Zn P Ar 1 2 3 4 2 3 4 1 Today it is arranged according to increasing atomic number (#p + ) As Ga Ge Section 1.10 In 1869, Mendeleev arranged the known elements according to increasing approximate atomic mass . Models of the Atom 1903 Thompson “Plum Pudding” http://wind.cc.whecn.edu/~mechalke/chapter5/Chapter5.htm 1911 Rutherford http://www.mbe.doe.gov/me70/manhattan/1890s-1939.htm Section 2.0 ? How do you study something that you can’t look inside of? Throw a probe at it, and see what comes out. Section 2.0
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Light exists as a wave Waves come in all different sizes and colors Long wavelength Short Wavelength Wavelength = λ (lambda) Light is a form of energy called electromagnetic radiation.
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CH 101 notes 8-29 - 1A 2A Main Group Elements Transition...

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