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Chemistry

6th -

7thgrade

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Chemical Bonds

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14 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    Some elements combine chemically and no longer have the same ________________ they did before forming a compound.
    valence electons
    energy
    properties
    group number
  • 2. Multiple Choice
    30 seconds
    1 pt
    A _________________ is composed of symbols and subscripts indicating the number of atoms of an element in a compound.
    Chemical Equation
    Chemical Reaction
    Synthesis Reaction
    Chemical Notation
  • 3. Multiple Choice
    30 seconds
    1 pt
    Image
    Atoms form compounds when the compound is more ______________ than the separate atoms.  Noble gases are more _________than other elements because they have a complete outer energy level.
    reactive
    stable
    explosive
    toxic
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