physics2 - Si: silicon element 0: oxygen element Chemical...

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Particle Accelerators LHC – Large Hadron Collider - Hadron: quantum Particle (building block of what atoms are made of) SLAC – Stanford Linear Accelerator Collide Particles - Speed ~ light - Gold, iron, or nickel Chapter 2 – conceptual exercises 5, 8, 29, 31, 36, 39 “a-tomic” – not divisible atoms make up matter – atomic theory Today: we know ~ 115 elements (atoms) - we have a periodic table - lab expts 122 atoms/elements together - molecules - compounds AU – gold element Water – H2O molecule (hydrogen and oxygen) 2 elements, 3 atoms Glass – SiO2
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Unformatted text preview: Si: silicon element 0: oxygen element Chemical decomposition- breaking apart of a compound into its constituent elements Compound made up of more than one element Molecule specific arrangement of element (H2O) Atoms Macroscopic seen with unaided eye (glass of water) Microscopic need an instrument to view (molecule of H2O) Atoms discovered 1800s john Dalton noticed that elements combine in certain specific ratios H3O heavy water H2O2 hydrogen peroxide Water - $1/gal H3O - $1000/gal...
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This note was uploaded on 10/23/2008 for the course PHYS 001 taught by Professor Claar,rodgerleon during the Fall '08 term at Pennsylvania State University, University Park.

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physics2 - Si: silicon element 0: oxygen element Chemical...

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