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5 Written questions

5 Matching questions

  1. What is a chemical reactions?
  2. What are isotopes?
  3. What is matter?
  4. What is an ionic compound?
  5. The bond between the hydrogen atom of one water molecule and the oxygen atom of another water molecule is made possible by
  1. a Changes is the chemical compound of matter.
  2. b the polarity of the water molecule
  3. c A compound held together by ionic bonds.
  4. d Anything that has mass and occupies space.
  5. e 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

5 Multiple choice questions

  1. a molecule that has opposite charges on opposite ends.
  2. The number of additional electrons needed to fill its outer shell.
  3. Substances that cannot be broken down into other substances.
  4. The number of electrons in the outermost shell.
  5. The term for atoms that are electronically charged as a result of gaining/losing electrons.

5 True/False questions

  1. What is a neutron?A subatomic particle w/ a single unit of positive electrical charge (+)


  2. What are the three types of chemical bonds?Ionic


  3. How many electrons can the 2nd and 3rd shell of an atom hold?2.


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


  5. What is an ionic bond?A compound held together by ionic bonds.