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5 Written questions

5 Matching questions

  1. What are the 4 most abundant elements in living cells?
  2. What is ion?
  3. How many electrons can the 2nd and 3rd shell of an atom hold?
  4. What is an ionic compound?
  5. What primarily determines how an atom behaves?
  1. a A compound held together by ionic bonds.
  2. b Oxygen, carbon, hydrogen, and nitrogen.
  3. c Electrons.
  4. d up to 8 electrons.
  5. e The term for atoms that are electronically charged as a result of gaining/losing electrons.

5 Multiple choice questions

  1. Changes is the chemical compound of matter.
  2. The sum of the number of protons and neutrons in its nucleus.
  3. The smallest unit of matter that still retains the properties of an element.
  4. A subatomic particle w/ a single unit of positive electrical charge (+)
  5. Solid
    Liquid
    Gas

5 True/False questions

  1. What makes up the nucleus?Substances that cannot be broken down into other substances.

          

  2. What determines the chemical properties of an atom?the atomic number.

          

  3. What is the atomic number?The number of protons in an atom.

          

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

          

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