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5 Written questions

5 Matching questions

  1. What is a polar molecule?
  2. What is a molecule?
  3. The number of covalent bonds an atom can form is equal to what?
  4. What makes up the nucleus?
  5. What is a hydrogen bond?
  1. a Protons and neutrons.
  2. b Formed when a particularly positive atom from one polar molecule is attracted to the partially negative atoms in another molecule.
  3. c Atoms held together by covalent bonds.
  4. d a molecule that has opposite charges on opposite ends.
  5. e The number of additional electrons needed to fill its outer shell.

5 Multiple choice questions

  1. 25.
  2. an electronically neutral subatomic particle.
  3. The attraction btwn opposite charged ions.
  4. Oxygen, carbon, hydrogen, and nitrogen.
  5. the atomic number.

5 True/False questions

  1. What is an electron?A subatomic particle w/ a negative charge.

          

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

          

  3. The number of shells an atom has depends on what?the number of electrons it has.

          

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

          

  5. Which part of the atom has the most energy?The number of protons in an atom.

          

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