Question

What is Selenium element?​

Answer 1

Answer:

Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic.

Answer 2

Answer:

• Selenium is a chemical element with the symbol Se and atomic number 34.
• It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic.
• It rarely occurs in its elemental state or as pure ore compounds in the Earth's crust.
• Selenium is found in metal sulfide ores, where it partially replaces the sulfur.