Frequently Asked Questions about Yttrium
What is the atomic number of yttrium?
Yttrium has an atomic number of 39, meaning each atom contains 39 protons in its nucleus.
What is the atomic mass of yttrium?
The standard atomic weight of yttrium is 88.906 u (unified atomic mass units).
What category does yttrium belong to?
Yttrium is classified as a transition metal.
What is the state of yttrium at room temperature?
Yttrium is a solid at 20 °C (68 °F).
What is the melting point of yttrium?
The melting point of yttrium is 1525.85 °C / 1799 K.
What is the boiling point of yttrium?
The boiling point of yttrium is 3335.85 °C / 3609 K.
What is the density of yttrium?
The density of yttrium is 4.47 g/cm³ (20°C).
What is the electronegativity of yttrium?
Yttrium has a Pauling electronegativity of 1.22.
What is the electron configuration of yttrium?
The electron configuration of yttrium is [Kr] 4d1 5s2.
What are the common oxidation states of yttrium?
Yttrium commonly exhibits the following oxidation states: +3.
When was yttrium discovered?
Yttrium was discovered in 1794 by Johan Gadolin.
Is yttrium radioactive?
Yttrium is a stable element with no naturally occurring radioactive isotopes.
What is the biological role of yttrium?
No known biological role.
What are the common uses of yttrium?
Yttrium is used for: LED phosphors; Superconductors; Lasers.
