1. Cadmium
  2. Chromium
  3. Nickel
  4. Selenium
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1 Answers

Option 2 : Chromium

Cadmium (Cd) has atomic number 48. Selenium (Se) has atomic number 34. Nickel (Ni) has atomic number 28. Chromium (Cr) has atomic number 24.  

Cd > Se > Ni > Cr. 

Hence the correct answer is Chromium.

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