Unit 1 VOCAB

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Across
  1. 6. the SI unit of electrical resistance
  2. 7. a stable negatively charged component of an atom
  3. 8. an electric current flowing in one direction only
  4. 9. the SI base unit of electrical current
  5. 10. a subatomic particle of about the same mass as a proton but without an electric charge
Down
  1. 1. a representation of the electric potential energy per unit charge
  2. 2. a substance which does not readily allow the passage of heat or sound
  3. 3. the basic unit of a chemical element
  4. 4. a substance or material that allows electricity to flow through it
  5. 5. the opposition that a substance offers to the flow of electric current