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7 Written questions

6 Multiple choice questions

  1. A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
  2. THe force that holds atoms together
  3. A representation of the valence electrons in an atom, using dots
  4. A chemical bond formed when atoms share three pairs of electrons
  5. The Electrons that are in the highest energy level of an atom and that are involved in chemical reactions.
  6. A compound that is composed of molecules

6 True/False questions

  1. Polyatomic IonA covalent bond in which electrons are shared unequally


  2. Nonpolar BondA covalent bond in which electrons are shared unequally


  3. Ionic CompoundA compound that consists of positive and negative ions


  4. CrystalA neutral particle made of two or more atoms joined by covalent bonds


  5. MoleculeAn orderly, three-dimensional pattern of ions or atoms in a solid


  6. IonAn atom or group of atoms that has become electrically charged


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