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5 Written questions

5 Matching questions

  1. What is a molecule?
  2. What determines which element it is?
  3. What are the 4 most abundant elements in living cells?
  4. The number of covalent bonds an atom can form is equal to what?
  5. What is an electron?
  1. a The number of additional electrons needed to fill its outer shell.
  2. b Oxygen, carbon, hydrogen, and nitrogen.
  3. c Atoms held together by covalent bonds.
  4. d the atomic number.
  5. e A subatomic particle w/ a negative charge.

5 Multiple choice questions

  1. The outer shell.
  2. a molecule that has opposite charges on opposite ends.
  3. cohesion
  4. Electrons.
  5. Anything that has mass and occupies space.

5 True/False questions

  1. The number of shells an atom has depends on what?The number of additional electrons needed to fill its outer shell.

          

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

          

  3. How many electrons can the inner shell of an atom hold?2.

          

  4. What are the three types of chemical bonds?Ionic
    Covalent
    Hydrogen

          

  5. What are elements?Substances that cannot be broken down into other substances.

          

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