Question

Which of the following elements does not belong to the group chalcogens?

1.Oxygen 2. Selenium

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Answer 1

Answer: The chalcogens are the chemical elements in group 16 of the periodic table. This group is also known as the oxygen family. It consists of the elements oxygen (O), sulfur (S), selenium (Se), tellurium (Te), ... Not counting oxygen, organic sulfur compounds are generally the most common, followed by organic selenium

Explanation: