Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ce Cerium | Hf Hafnium |
|---|---|---|
| Atomic Number | 58 lower | 72 lower |
| Symbol | Ce different | Hf different |
| Name | Cerium different | Hafnium different |
| Atomic Mass | 140.116 lower | 178.49 lower |
| Category | Lanthanides different | Transition Metals different |
| Period | 6 same value | 6 same value |
| Group | 3 lower | 4 lower |
| Block | f-Block different | d-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 1.12 lower | 1.3 lower |
| Atomic Radius | 235 higher | 212 higher |
| Ionization Energy | 5.539 lower | 6.825 lower |
| Electron Affinity | 0.5 no data | — no data |
| Oxidation States | +4, +3 different | +4 different |
| Melting Point | 1071 K (797.85 °C) lower | 2506 K (2232.85 °C) lower |
| Boiling Point | 3697 K (3423.85 °C) lower | 4876 K (4602.85 °C) lower |
| Density | 6.77 lower | 13.3 lower |
| Electron Configuration | [Xe]6s2 4f1 5d1 different | [Xe]6s2 4f14 5d2 different |
| Year Discovered | 1803 different | 1923 different |
higher lower
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