Er stands for the element erbium, #68, which is a lanthanide, or "rare earth metal."
Er.
It is Erbium. Atomic number = 68, Rare Earth(Lanthanide)
Erbium (Er) is the chemical element with the symbol Er and atomic number 68. It is a silvery-white, rare earth metal that is commonly used in nuclear reactors and as a colorant in glasses and porcelain.
Erbium, with the chemical symbol Er, is the chemical element with the atomic number 68.
The molybdenum chemical symbol is Mo.
Beryllium's chemical symbol is Be.
The chemical symbol for iron is Fe and the chemical symbol for nickel is Ni.
The chemical symbol is ClO3
the chemical symbol is Br :)
"Er" typically stands for "emergency room," which is a medical facility specializing in emergency care for patients with acute illnesses or injuries. It can also refer to "error" in computing or programming contexts. Additionally, "Er" is the chemical symbol for the element erbium on the periodic table.
The chemical symbol of radium is Ra.
The chemical symbol of silicon is Si.