Y
Yttrium Symbol (Y)
Yttrium is element 39 of the periodic table. Copy its symbol Y and see its atomic weight, electron configuration and physical properties.
What does Y mean?
Y is the chemical symbol for yttrium, element number 39 in the periodic table. Yttrium is a transition metal in group 3, period 5. It is a solid at room temperature and was discovered in 1794.
Codes and properties
| Chemical symbol | Y |
|---|---|
| Atomic number (Z) | 39 |
| Atomic weight (PubChem) | 88.90584 |
| Group / period | 3 / 5 |
| Element category | transition metal |
| Electron configuration | [Kr]5s² 4d¹ |
| State at 20 °C | Solid |
| Oxidation states | +3 |
| Electronegativity (Pauling) | 1.22 |
| Melting point | 1795 K (1521.85 °C) |
| Boiling point | 3618 K (3344.85 °C) |
| Density | 4.47 g/cm³ |
| Discovered | 1794 |
How to type Y
- Plain text: type
Y— element symbols are ordinary Latin letters, with the first letter capitalised. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as H₂O — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Y}in math mode, or use the mhchem package:\ce{Y}. - HTML:
Y; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for yttrium?
The chemical symbol for yttrium is Y.
What is the atomic number of yttrium?
Yttrium has atomic number 39, meaning each atom has 39 protons.
What is the electron configuration of yttrium?
The ground-state electron configuration of yttrium is [Kr]5s² 4d¹.
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Reference: Yttrium on PubChem (NIH)