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6 Written questions

5 Multiple choice questions

  1. Characteristics of matter that can only observed when one substances changes into a different substance, such as iron into rust.
  2. A material that allows heat to flow easily.
  3. Elements that are poor conductors of heat and electricity.
  4. An alloy of iron and carbon.
  5. A material that allows electricity to flow through easily.

5 True/False questions

  1. PeriodicityThe repeating pattern of chemical and physical properties of the elements.

          

  2. HalogensElements in the group containing fluorine, chlorine, and bromine, among others.

          

  3. Atomic massThe average mass of all the known isotopes of an element, expressed in amu.

          

  4. Periodic tableA chart that organizes the elements by their chemical properties and increasing atomic number.

          

  5. Atomic mass unitA unit of mass equal to 1.66 * 10^-24 grams, which is one twelfth the mass of the isotope carbon-12.

          

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