Which of the following symbols of elements are incorrect? `

CBSE Class 9 CBSE Class 9 Science
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1

Which of the following symbols of elements are incorrect? Give their correct symbols.

  1. Cobalt CO
  2. Carbon c
  3. Aluminium AL
  4. Helium He
  5. Sodium So

Answer:

  1. Incorrect, the correct symbol of cobalt is Co.
  2. Incorrect, the correct symbol of carbon is C.
  3. Incorrect, the correct symbol of aluminium is Al.
  4. Correct (He)
  5. Incorrect, the correct symbol of sodium is Na.