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  • A valence electron is one or more electrons in the outer shell of an atom that is responsible for the chemical properties of an atom. 
  • So valence electrons will affect the bonding of an atom?
  • What are covalent and ionic bonds? 
  • Yes! That leads us to types of bonds. Covalent and ionic bonds is the main bonding types. 
  • Ionic compounds are molecules that consist of charged ions. The ions are both positive and negative.  The oppositely charged ions attract to each other.
  • Unlike covalent compounds, ionic compounds are used in everyday life. Like NaCl, which is sodium chloride is just table salt. 
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  • An example of a covalent compound would be H2O which is water. It is covalent because one oxygen atoms are joined by two hydrogen atoms. 
  • Covalent compounds are non-metals and consist of two electrons that are shared between two atoms. They are formed by equal sharing of electrons. 
  • Also, triple and double bonds are stronger than single bonds. They are characterized by sharing four or six electrons between atoms 
  • I think I understand it now! 
  • No! Did you really think we have the right equipment to melt a penny.
  • Can we melt the penny now? 
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