Chemical Bonds

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Chemical Bonds

  1. 1. Karla Gutierrez & Keona Henley 5th pd. Chemistry
  2. 2. A force that holds two atoms together by the attraction of a positive ion for a negative ion The number of bonds an atom forms corresponds to its valences
  3. 3. Types Ionic bonds Covalent Bonds Metallic Bonds
  4. 4.  a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions
  5. 5.  Melting point Boiling point hardness
  6. 6.  Ionic bonds are exothermic and the more negative the lattice energy, the stronger the force of attraction.
  7. 7. Covalent Bonds a form of chemical bonding that is characterized by the sharing of pairs of electrons between atoms
  8. 8. Types of Covalent Bonds Sigma bond: bond formed when an electron pair is shared by the direct overlap of bonding intervals Pi bond: bond formed when parallel orbitals overlap to share electrons Simple bond= sigma bond Double bond= 1 sigma & 1 pi Triple bond= 1 sigma & 2 pi
  9. 9. •the electromagnetic interaction between delocalizedelectrons, called conduction electrons; gathered in a“sea of electrons”

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