Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Y Yttrium | Th Thorium |
|---|---|---|
| Atomic Number | 39 lower | 90 lower |
| Symbol | Y different | Th different |
| Name | Yttrium different | Thorium different |
| Atomic Mass | 88.9058 lower | 232.038 lower |
| Category | Transition Metals different | Actinides different |
| Period | 5 lower | 7 lower |
| Group | 3 same value | 3 same value |
| Block | d-Block different | f-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 1.22 lower | 1.3 lower |
| Atomic Radius | 219 lower | 237 lower |
| Ionization Energy | 6.217 higher | 6.08 higher |
| Electron Affinity | 0.307 no data | — no data |
| Oxidation States | +3 different | +4 different |
| Melting Point | 1795 K (1521.85 °C) lower | 2023 K (1749.85 °C) lower |
| Boiling Point | 3618 K (3344.85 °C) lower | 5061 K (4787.85 °C) lower |
| Density | 4.47 lower | 11.72 lower |
| Electron Configuration | [Kr]5s2 4d1 different | [Rn]7s2 6d2 different |
| Year Discovered | 1794 different | 1828 different |
higher lower
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