Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: General Principles and Processes of Isolation of Elements

Question:

What are Charcoalgens?

Options:

oxides forming elements

reducing agents

hydrocarbons

ore forming elements

Correct Answer:

ore forming elements

Explanation:

The elements in group 16 of the periodic table are known as chalcogens, which comes from the Greek word "chalkos" meaning "copper". These elements are oxygen, sulfur, selenium, tellurium, and polonium. They are all nonmetals and have six valence electrons.

Charcoalgens are called oxides forming elements because they tend to form oxides with other elements. For example, oxygen forms oxides with almost every element in the periodic table. Sulfur also forms oxides, but they are not as common as oxygen oxides. Selenium, tellurium, and polonium also form oxides, but they are even less common than sulfur oxides.

The oxides of chalcogens are important compounds in many industries. For example, sulfur dioxide is used to make sulfuric acid, which is a major industrial chemical. Oxygen is used to make steel, and it is also used in combustion engines. Selenium is used in electronics, and tellurium is used in solar cells.

In addition to forming oxides, chalcogens also form sulfides with other elements. Sulfides are compounds that contain sulfur and another element, such as iron, copper, or zinc. Sulfides are important minerals, and they are used in a variety of industries. For example, iron sulfide is used to make steel, and copper sulfide is used to make copper wire.

Charcoalgens are a diverse group of elements with many important properties. They are oxides forming elements, and they form a variety of other compounds with other elements. Charcoalgens are essential for many industries, and they play an important role in the environment.