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20 February, 21:49

Which of these elements is a metal?

Hafnium

Radon

Silicon

Sulfur

Selenium

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Answers (2)
  1. 20 February, 22:08
    0
    Selenium is a non metal, radon is a noble gas, silicon is a metalloid, and sulphur is a non metal. Hafnium is a transition metal.
  2. 20 February, 22:12
    0
    Hafnium

    Explanation:

    Hafnium is a chemical element with the symbol Hf and atomic number 72. A lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals
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