Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ac Actinium | Hs Hassium |
|---|---|---|
| Atomic Number | 89 lower | 108 lower |
| Symbol | Ac different | Hs different |
| Name | Actinium different | Hassium different |
| Atomic Mass | 227.0277 lower | 269.1336 lower |
| Category | Actinides different | Transition Metals different |
| Period | 7 same value | 7 same value |
| Group | 3 lower | 8 lower |
| Block | f-Block different | d-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 1.1 no data | — no data |
| Atomic Radius | 260 no data | — no data |
| Ionization Energy | 5.17 no data | — no data |
| Electron Affinity | — no data | — no data |
| Oxidation States | +3 different | 8, 6, 5, 4, 3, 2 different |
| Melting Point | 1324 K (1050.85 °C) no data | — no data |
| Boiling Point | 3471 K (3197.85 °C) no data | — no data |
| Density | 10.07 no data | — no data |
| Electron Configuration | [Rn]7s2 6d1 different | [Rn]7s2 5f14 6d6 different |
| Year Discovered | 1899 different | 1984 different |
higher lower
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