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5 Written Questions

5 Matching Questions

  1. What is an electron?
  2. What is the atomic number?
  3. The number of shells an atom has depends on what?
  4. What is a hydrogen bond?
  5. What is a polar molecule?
  1. a Formed when a particularly positive atom from one polar molecule is attracted to the partially negative atoms in another molecule.
  2. b A subatomic particle w/ a negative charge.
  3. c The number of protons in an atom.
  4. d a molecule that has opposite charges on opposite ends.
  5. e the number of electrons it has.

5 Multiple Choice Questions

  1. The outer shell.
  2. cohesion
  3. the atomic number.
  4. Solid
    Liquid
    Gas
  5. Electrons.

5 True/False Questions

  1. What is a covalent bond?Forms when 2 atoms share 1 or more pairs of outer shell electrons and forms a molecule.

          

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

          

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

          

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

          

  5. What is a radioactive isotope?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

          

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