Selenium
Selenium is represented by the symbol Se on the periodic table. It is a nonmetal element with various industrial uses, including in electronics and glass manufacturing.
The element represented by Au is gold.
Each element is represented by a one or two-letter symbol.
Each element is represented by a one or two-letter symbol.
Selenium is a chemical element.
element
The atomic number of an element is the number of protons in its nucleus. It is represented by the whole number above the element's symbol in the periodic table.
Silver
Strontium
Gold is an element on the periodic table represented by the symbol Au. Iron is a different element represented by the symbol Fe, and sulfur is yet another element represented by the symbol S. Each element has distinct properties and characteristics.
"Ci" isn't a symbol on the periodic table.
Selenium