Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Nh Nihonium | Tl Thallium |
|---|---|---|
| Atomic Number | 113 higher | 81 higher |
| Symbol | Nh different | Tl different |
| Name | Nihonium different | Thallium different |
| Atomic Mass | 286.182 higher | 204.383 higher |
| Category | Post-transition Metals same value | Post-transition Metals same value |
| Period | 7 higher | 6 higher |
| Group | 13 same value | 13 same value |
| Block | p-Block same value | p-Block same value |
| Standard State | Expected to be a solid different | Solid different |
| Electronegativity | — no data | 1.62 no data |
| Atomic Radius | — no data | 196 no data |
| Ionization Energy | — no data | 6.108 no data |
| Electron Affinity | — no data | 0.2 no data |
| Oxidation States | — no data | +3, +1 no data |
| Melting Point | — no data | 577 K (303.85 °C) no data |
| Boiling Point | — no data | 1746 K (1472.85 °C) no data |
| Density | — no data | 11.8 no data |
| Electron Configuration | [Rn]5f14 6d10 7s2 7p1 (predicted) different | [Xe]6s2 4f14 5d10 6p1 different |
| Year Discovered | 2004 different | 1861 different |
higher lower
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