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Orginally prepared and distributed by Jefferson Lab Office of Science Education

Orginally prepared and distributed by Jefferson Lab Office of Science Education. education.jlab.org/jsat/powerpoint/chembond.ppt. Chemical Bond force that holds two atoms together.

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Orginally prepared and distributed by Jefferson Lab Office of Science Education

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  1. Orginally prepared and distributed by Jefferson Lab Office of Science Education education.jlab.org/jsat/powerpoint/chembond.ppt

  2. Chemical Bondforce that holds two atoms together

  3. IONIC BONDvalence electrons are transferred between a metal and a non-metal forming positively and negatively charged particleselectrostatic attractive force

  4. COVALENT BONDvalence electrons are shared between two atoms

  5. Covalent Bonds

  6. METALLIC BONDelectrons are shared among many atoms of the same metal element

  7. Metallic Bond • Formed among atoms of the same metal element • Non-localized, “sea of electrons” • Good conductors, lustrous, malleable, high melting points • Examples: Na, Fe, Al, Au, Co

  8. MetallicBond, A Sea of Electrons

  9. Metals Form Alloys Metals do not bond with other metals. They form alloys – physical, homogenous solution of metals Examples: steel, brass, bronze and pewter

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