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JAMB Chemistry 2003 Question 11

Question 11

Atomic Structure

When cathode rays are deflected onto the electrode of an electrometer, the instrument becomes

  1. A.negatively charged
  2. B.positively charged
  3. C.neutral
  4. D.bipolar
Show the answer and explanation

Answer: A (negatively charged)

Explanation

Cathode rays are streams of electrons, which carry negative charge to the electrometer.