Selenium is a chemical element; it has symbol Se and atomic number 34. It has various physical appearances, including a brick-red powder, a vitreous black solid, and a grey metallic-looking …

Element Selenium (Se), Group 16, Atomic Number 34, p-block, Mass 78.971. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Nov 25, 2023 · Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal with properties that are intermediate between the elements above and below on the …

Selenium exists in several allotropic forms, although three are generally recognized. Selenium can be prepared with either an amorphous or a crystalline structure.

Selenium (Se) Selenium is a chemical element of the periodic table with chemical symbol Se and atomic number 34 with an atomic weight of 78.9718 u and is classed as nonmetal and is part …

Selenium is the 34th element in the periodic table and has a symbol of Se and atomic number of 34. It has an atomic weight of 78.971 and a mass number of 80. Selenium has thirty-four …

Selenium exists in several allotropic forms, although three are generally recognized. Selenium can be prepared with either an amorphous or a crystalline structure.

List all Se properties Name: selenium Symbol: Se Atomic number: 34 Relative atomic mass (Ar): 78.971 (8) r Standard state: solid at 298 K Appearance: grey, metallic lustre Classification: …

Atomic Number of Selenium is 34. Chemical symbol for Selenium is Se. Number of protons in Selenium is 34. Atomic weight of Selenium is 78.971 u or g/mol. Melting point of Selenium is …

Selenium is a chemical element; it has symbol Se and atomic number 34. It has various physical appearances, including a brick-red powder, a vitreous black solid, and a grey metallic-looking …