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Chemical Bonds: Stability in Bonding

Chemical Bonds: Stability in Bonding. Chapter 20 Section 1. Compounds. Combination of Elements Properties different than the individual elements Ex: Sodium Chloride (NaCl)  Table Salt Na – highly reactive Cl – Poisonous Gas NaCl - Stable. Formulas. Chemical Formula

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Chemical Bonds: Stability in Bonding

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  1. Chemical Bonds:Stability in Bonding Chapter 20 Section 1

  2. Compounds • Combination of Elements • Properties different than the individual elements Ex: Sodium Chloride(NaCl) Table Salt Na – highly reactive Cl – Poisonous Gas NaCl - Stable

  3. Formulas • Chemical Formula • The elements a compound contains and the exact number of atoms of each element • Examples: Sand – Silicon Dioxide – SiO2 Cane Sugar – Sucrose – C12H22O11

  4. Valence Electrons

  5. Atomic Stability • Stable when the outer energy level is complete • Noble Gases • 8 valence electrons

  6. Atoms with partially stable outer energy levels can gain, lose, or share electrons

  7. Ionic Bond • NaCl

  8. H2O Covalent Bond

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