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November 4 th , 2015 (Day 3)

November 4 th , 2015 (Day 3). Obj : You will be able to d escribe the types of chemical bonds & how they form. Do Now: In your own words, define a bond? Please take out pH Lab. HW: Test Review Packet Due Tuesday ( 11/10) Test Wed. (11/11). Chemical Bonds. Chemical Bond.

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November 4 th , 2015 (Day 3)

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  1. November 4th, 2015 (Day 3) • Obj: • You will be able to describe the types of chemical bonds & how they form. • Do Now: In your own words, define a bond? • Please take out pH Lab. • HW: Test Review Packet Due Tuesday(11/10) • Test Wed. (11/11)

  2. Chemical Bonds

  3. Chemical Bond • Def: a force that holds together atoms in a molecule or compound • Forms by the losing, gaining, or sharing of electrons! • Form to make atoms stable (outer shell is full) • Types • Ionic • Covalent • Hydrogen

  4. Ionic Bonding • Def: Opposite ions are attracted to each other to form a bond

  5. Ionic Bonding • Ion = atom with a charge (+ or -) • An example of this type of bonding: salt (NaCl) • This type of boning occurs between metals (left) & nonmetals (right).

  6. Covalent Bond • Def: sharing of Electrons to form a bond • Stronger than ionic bonding

  7. Covalent Bond • 2 Types: • NONPOLAR  equal sharing of electrons • Example – Oil • POLAR  unequal sharing of electrons • Example - Water

  8. Water • Chemical Formula: H2O • Draw an atom model of water.

  9. Like Dissolves Like • Polar molecules and ions all dissolve together • Nonpolar molecules all dissolve together • Polar and nonpolar molecules do not mix together

  10. + - Nonpolar Polar ∂- ∂+ Covalent bonds Ionic bond Chemical bonds

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