Question

What are industrially important elements? Classify them and make a list from the periodic table.

Answer 1

Explanation:

Inorganic nutrients, including trace elements such as iron, zinc, copper, manganese, molybdenum and cobalt are typically present in unrefined carbon and nitrogen sources, but may have to be added when purified carbon and nitrogen sources are used.

Answer 2

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here is you answer..

●Specific examples of main group elements include helium, lithium, boron, carbon, nitrogen, oxygen, fluorine, and neon.

●A chemical element is a species of atom having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).[1] For example, the atomic number of oxygen is 8, so the element oxygen consists of all atoms which have exactly 8 protons.

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