Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Nb Niobium | Ta Tantalum |
|---|---|---|
| Atomic Number | 41 lower | 73 lower |
| Symbol | Nb different | Ta different |
| Name | Niobium different | Tantalum different |
| Atomic Mass | 92.9064 lower | 180.9479 lower |
| Category | Transition Metals same value | Transition Metals same value |
| Period | 5 lower | 6 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 higher | 1.5 higher |
| Atomic Radius | 207 lower | 217 lower |
| Ionization Energy | 6.759 lower | 7.89 lower |
| Electron Affinity | 0.893 higher | 0.322 higher |
| Oxidation States | +5, +3 different | +5 different |
| Melting Point | 2750 K (2476.85 °C) lower | 3290 K (3016.85 °C) lower |
| Boiling Point | 5017 K (4743.85 °C) lower | 5731 K (5457.85 °C) lower |
| Density | 8.57 lower | 16.4 lower |
| Electron Configuration | [Kr]5s1 4d4 different | [Xe]6s2 4f14 5d3 different |
| Year Discovered | 1801 different | 1802 different |
higher lower
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