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5 Written Questions

5 Matching Questions

  1. What are elements?
  2. What are the three types of chemical bonds?
  3. What are isotopes?
  4. Which part of the atom has the most energy?
  5. What makes up the nucleus?
  1. a Ionic
    Covalent
    Hydrogen
  2. b Protons and neutrons.
  3. c Elements that exist in different forms
    Forms of an element that differ in mass
    Same num of protons and electrons but diff num of neutrons
  4. d The outer shell.
  5. e Substances that cannot be broken down into other substances.

5 Multiple Choice Questions

  1. 2.
  2. up to 8 electrons.
  3. is one in which the nucleus decays, giving off particles of energy.
  4. Anything that has mass and occupies space.
  5. the atomic number.

5 True/False Questions

  1. What is a polar molecule?Atoms held together by covalent bonds.

          

  2. What physical states is matter found in?Solid
    Liquid
    Gas

          

  3. What primarily determines how an atom behaves?the atomic number.

          

  4. What are the 4 most abundant elements in living cells?the atomic number.

          

  5. What is a hydrogen bond?Forms when 2 atoms share 1 or more pairs of outer shell electrons and forms a molecule.

          

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