Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Se Selenium | Lv Livermorium |
|---|---|---|
| Atomic Number | 34 lower | 116 lower |
| Symbol | Se different | Lv different |
| Name | Selenium different | Livermorium different |
| Atomic Mass | 78.97 lower | 293.205 lower |
| Category | Reactive Nonmetals different | Post-transition Metals different |
| Period | 4 lower | 7 lower |
| Group | 16 same value | 16 same value |
| Block | p-Block same value | p-Block same value |
| Standard State | Solid different | Expected to be a solid different |
| Electronegativity | 2.55 no data | — no data |
| Atomic Radius | 190 no data | — no data |
| Ionization Energy | 9.752 no data | — no data |
| Electron Affinity | 2.021 no data | — no data |
| Oxidation States | +6, +4, -2 different | +4, +2, -2 different |
| Melting Point | 493.65 K (220.5 °C) no data | — no data |
| Boiling Point | 958 K (684.85 °C) no data | — no data |
| Density | 4.809 no data | — no data |
| Electron Configuration | [Ar]4s2 3d10 4p4 different | [Rn]7s2 7p4 5f14 6d10 (predicted) different |
| Year Discovered | 1817 different | 2000 different |
higher lower
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