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What is the correct order with respect to metallic property of Zr , Cd , Sn , Sr ?

Options

  1. ASn < Cd < Zr < Sr
  2. BSn < Sr < Cd < Zr
  3. CCd < Zr < Sr < Sn
  4. DZr < Sr < Cd < Sn

Correct answer

A. Sn < Cd < Zr < Sr

Step-by-step solution

Zr , Cd , Sn , Sr belong the 5^ th period and their order of arrangement from left to right is Sr , Zr , Cd , Sn . Metallic property goes on decreasing as we move from left to right. Metallic property : Sn < Cd < Zr < Sr

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