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5 Written questions

5 Matching questions

  1. What determines which element it is?
  2. What is a covalent bond?
  3. What is an electron?
  4. What is ion?
  5. What is a proton?
  1. a The term for atoms that are electronically charged as a result of gaining/losing electrons.
  2. b the atomic number.
  3. c A subatomic particle w/ a single unit of positive electrical charge (+)
  4. d A subatomic particle w/ a negative charge.
  5. e Forms when 2 atoms share 1 or more pairs of outer shell electrons and forms a molecule.

5 Multiple choice questions

  1. Substances that cannot be broken down into other substances.
  2. up to 8 electrons.
  3. the polarity of the water molecule
  4. 2.
  5. Electrons.

5 True/False questions

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

          

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

          

  3. What is matter?The sum of the number of protons and neutrons in its nucleus.

          

  4. What makes up the nucleus?Protons and neutrons.

          

  5. What are the 4 most abundant elements in living cells?Oxygen, carbon, hydrogen, and nitrogen.

          

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