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Chemical Bonds

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  • What makes a pure substance?
    elements and compounds
  • Which of the following is an example of an Ionic bond: A) NaCl B) CO2 C) Fe
    A) NaCl - sodium chloride
  • Ionic crystals do not conduct electricity in their solid state but DO so when _____ and _____
    melted and in solution
  • True or False Covalent crystals are soluble in water.
    False Insoluble
  • What type of bond is this?
    Covalent Bond
  • What type of crystals give up their atoms electrons to the crystal network, forming positive ions?
    Metallic crystals
  • When atoms join together they make...
    molecular structures and giant structures
  • True or False. Molecules are made of atoms help together by very strong forces of attraction called Ionic bonds.
    False. Covalent Bonds
  • Correct the statement: amorphous are structures that have an ordered arrangement
    Crystals are structures that have an ordered arrangement
  • What type of bond is this?
    Metallic Bond
  • Correct the statement: Ionic crystals are sollid with low melting points and freezing points.
    Ionic crystals are solid with HIGH melting points and BOILING points.
  • What is a giant structure?
    A group of large number of atoms
  • metal+ nonmetal=
    Ionic bonds
  • What type of bond is this?
    Ionic bond
  • Nonmetals + Nonmetals=
    Covalent Bonds
  • what makes a metallic bond? _______ + ______
    metal + metal
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