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5 Written questions

5 Matching questions

  1. What is a molecule?
  2. What determines which element it is?
  3. What is a covalent bond?
  4. What physical states is matter found in?
  5. What is matter?
  1. a Atoms held together by covalent bonds.
  2. b Solid
    Liquid
    Gas
  3. c the atomic number.
  4. d Anything that has mass and occupies space.
  5. e Forms when 2 atoms share 1 or more pairs of outer shell electrons and forms a molecule.

5 Multiple choice questions

  1. A compound held together by ionic bonds.
  2. The number of protons in an atom.
  3. The outer shell.
  4. the number of electrons it has.
  5. Substances that cannot be broken down into other substances.

5 True/False questions

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

          

  2. How many of the 90 naturally- occuring elements are used by living organisms?25.

          

  3. What is an atom?The smallest unit of matter that still retains the properties of an element.

          

  4. How many electrons can the inner shell of an atom hold?up to 8 electrons.

          

  5. What is an ionic bond?The attraction btwn opposite charged ions.