MCQ
Which of the following property of an element never changes?
  • A
    Valency
  • B
    Atomic weight
  • C
    Both A and B
  • D
    None of the above

Answer

  1. Atomic weight

Explanation:

The atomic weight is a characteristic property of an element and can never vary.

The valency  of an element can vary. For example, when the ion is in +2 and +3 oxidation state, its valency is 2 and 3 respectively.

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