Covalent Bonds!

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Covalent Bonds!
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Covalent bond

• Between two nonmetals sharing of the valence
  electrons
• Covalent bonds are weaker than Ionic bonds
• A molecule is the smallest part of a Covalent
  bond

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Charge

• A covalent bond has a neutral charge because it
  is sharing its electrons

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Qualities

• Covalent bonds are a form of chemical bonding
• The term covalent bonding goes back to 1939
  (Wikipedia)

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Quality

• Some of the nonmetals are carbon, nitrogen,
  oxygen, sulfur, phosphorus, and hydrogen
• A covalent bond has to share electrons
• Sharing electrons help both elements fill their
  valence shell

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Examples

• When atoms come together and form covalent bonds
  the result is a molecule
• Some examples of molecules are water, sugar and
  carbon dioxide
• Every tissue in our bodies are held together by
  molecules which are made by covalent bonds

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Quiz

• 1. What is a Covalent Bond?
• A. a chemical
• B. an element
• C. sharing valence electrons between two non
  metals
• 2. Where does a Covalent Bond happen?
• A. in the nucleus
• B. in the valence shell
• C. in the first shell
• 3. What is the smallest part of a Covalent Bond?
• A. a nucleus
• B. a molecule
• C. an atom

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Answers

• 1. C
• 2. B
• 3. B