Which of the following is found in the Earth's crust in its elemental state?ASilverBIronCCalciumDZinc
Question
Which of the following is found in the Earth's crust in its elemental state?ASilverBIronCCalciumDZinc
Solution
The correct answer is A. Silver.
Explanation:
Silver is one of the few elements that can be found in its pure form in nature. The others are gold and copper. These metals are known as "native metals". They are all relatively inert or non-reactive and were the first metals used by humans in ancient times.
On the other hand, Iron, Calcium, and Zinc are typically found in nature in their oxidized forms, as part of various minerals. They need to be extracted and refined to obtain the pure metal.
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