Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Nb Niobium | Db Dubnium |
|---|---|---|
| Atomic Number | 41 lower | 105 lower |
| Symbol | Nb different | Db different |
| Name | Niobium different | Dubnium different |
| Atomic Mass | 92.9064 lower | 268.126 lower |
| Category | Transition Metals same value | Transition Metals same value |
| Period | 5 lower | 7 lower |
| Group | 5 same value | 5 same value |
| Block | d-Block same value | d-Block same value |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 1.6 no data | — no data |
| Atomic Radius | 207 no data | — no data |
| Ionization Energy | 6.759 no data | — no data |
| Electron Affinity | 0.893 no data | — no data |
| Oxidation States | +5, +3 different | 5, 4, 3 different |
| Melting Point | 2750 K (2476.85 °C) no data | — no data |
| Boiling Point | 5017 K (4743.85 °C) no data | — no data |
| Density | 8.57 no data | — no data |
| Electron Configuration | [Kr]5s1 4d4 different | [Rn]7s2 5f14 6d3 different |
| Year Discovered | 1801 different | 1967 different |
higher lower
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