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5 Written questions

4 Matching questions

  1. decomposition
  2. N, O, F, Cl, Br, I, At
  3. salt
  4. Bohr's Theory
  1. a type of reaction electrolysis is used for
  2. b a compound formed from the positive ion of a base and the negative ion of an acid
  3. c what are the 7 diatomic ions?
  4. d In an atom, electrons are located in energy levels that are a certain distance away from the nucleus.

5 Multiple choice questions

  1. reactants of a neutralization reaction
  2. products of a neutralization reaction
  3. Atoms are always moving and are capable of joining together.
  4. when an atom is capable of taking, giving, or sharing electrons to form a chemical bond with another atom
  5. a neutral group of atoms held together by covalent bonds

5 True/False questions

  1. meltingthe change of a substance from a solid to a liquid


  2. 3how many valence electrons does Aluminum have?


  3. inhibitora substance that changes colors in acids and bases


  4. coefficienta number placed before a chemical formula in a chemical equation that tells how many molecules of a compound are present


  5. -2what charge does a fluorine ion have?


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