Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Zr Zirconium | Nb Niobium |
|---|---|---|
| Atomic Number | 40 lower | 41 lower |
| Symbol | Zr different | Nb different |
| Name | Zirconium different | Niobium different |
| Atomic Mass | 91.22 lower | 92.9064 lower |
| Category | Transition Metals same value | Transition Metals same value |
| Period | 5 same value | 5 same value |
| Group | 4 lower | 5 lower |
| Block | d-Block same value | d-Block same value |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 1.33 lower | 1.6 lower |
| Atomic Radius | 186 lower | 207 lower |
| Ionization Energy | 6.634 lower | 6.759 lower |
| Electron Affinity | 0.426 lower | 0.893 lower |
| Oxidation States | +4 different | +5, +3 different |
| Melting Point | 2128 K (1854.85 °C) lower | 2750 K (2476.85 °C) lower |
| Boiling Point | 4682 K (4408.85 °C) lower | 5017 K (4743.85 °C) lower |
| Density | 6.52 lower | 8.57 lower |
| Electron Configuration | [Kr]5s2 4d2 different | [Kr]5s1 4d4 different |
| Year Discovered | 1789 different | 1801 different |
higher lower
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