Multiple choice

Which of the following categories of elements show affinity to both oxygen and sulphur?

  1. Chalcophile

  2. Lithophiles

  3. Siderophiles

  4. Atmophiles
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C Correct answer
Explanation

Siderophiles exhibit a weak affinity, to both oxygen and sulphur. Siderophiles have an affinity for iron and a distinguishing characteristic of siderophiles is that, they exhibit high solubility in molten iron. Not abundant in the core or mantle, most siderophiles are thought to be richest, at the Earth's core. Platinum (Pt) group metals, including Ruthium (Ru), Rhodium (Rd), Palladium (Pd), Osmium (Os) and Iridium (Ir), exhibit a strong siderophile tendency.

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