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5 Written Questions

5 Matching Questions

  1. Chemical Reaction
  2. Alkali Metals
  3. Alkaline Earth Metals
  4. Protein
  5. Endothermic
  1. a Needs constant energy to continue, usually a decrease in temperature.
  2. b Light and soft metals like calcium and magnesium.
  3. c Process in which a substance is transformed into a new substance.
  4. d Soft and extremely reactive like sodium, lithium and potassium.
  5. e Amino acids are combined to make a larger molecule.

5 Multiple Choice Questions

  1. Tastes sour and turns blue litmus paper pink, pH is less than 7.
  2. Conducts Electricity when dissolved in water.
  3. Force that holds two atoms together.
  4. Element in the far left column of the periodic table.
  5. Substance that's present before a chemical reaction starts.

5 True/False Questions

  1. Transition MetalsSoft and extremely reactive like sodium, lithium and potassium.

          

  2. Physical changeSubstance does not change chemically, like sugar water, cutting hair, making trail mix.

          

  3. Nuclear FissionNuclei with smaller masses that combine to form one nucleus with a larger mass.

          

  4. Balanced equationEqual numbers of atoms on both sides of the equation.

          

  5. NeutralizationAlpha particles, beta particles, and gamma rays.

          

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