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5 Written questions

5 Matching questions

  1. What is an atom?
  2. What is a proton?
  3. What primarily determines how an atom behaves?
  4. How many electrons can the 2nd and 3rd shell of an atom hold?
  5. What is a polar molecule?
  1. a up to 8 electrons.
  2. b The smallest unit of matter that still retains the properties of an element.
  3. c a molecule that has opposite charges on opposite ends.
  4. d Electrons.
  5. e A subatomic particle w/ a single unit of positive electrical charge (+)

5 Multiple choice questions

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

5 True/False questions

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

          

  2. What is a neutron?an electronically neutral subatomic particle.

          

  3. What is the atomic number?The attraction btwn opposite charged ions.

          

  4. What are isotopes?Substances that cannot be broken down into other substances.

          

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