Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Hf Hafnium | Rf Rutherfordium |
|---|---|---|
| Atomic Number | 72 lower | 104 lower |
| Symbol | Hf different | Rf different |
| Name | Hafnium different | Rutherfordium different |
| Atomic Mass | 178.49 lower | 267.122 lower |
| Category | Transition Metals same value | Transition Metals same value |
| Period | 6 lower | 7 lower |
| Group | 4 same value | 4 same value |
| Block | d-Block same value | d-Block same value |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 1.3 no data | — no data |
| Atomic Radius | 212 no data | — no data |
| Ionization Energy | 6.825 no data | — no data |
| Electron Affinity | — no data | — no data |
| Oxidation States | +4 same value | +4 same value |
| Melting Point | 2506 K (2232.85 °C) no data | — no data |
| Boiling Point | 4876 K (4602.85 °C) no data | — no data |
| Density | 13.3 no data | — no data |
| Electron Configuration | [Xe]6s2 4f14 5d2 different | [Rn]7s2 5f14 6d2 different |
| Year Discovered | 1923 different | 1964 different |
higher lower
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