Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Ta Tantalum | Ce Cerium |
|---|---|---|
| Atomic Number | 73 higher | 58 higher |
| Symbol | Ta different | Ce different |
| Name | Tantalum different | Cerium different |
| Atomic Mass | 180.9479 higher | 140.116 higher |
| Category | Transition Metals different | Lanthanides different |
| Period | 6 same value | 6 same value |
| Group | 5 higher | 3 higher |
| Block | d-Block different | f-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 1.5 higher | 1.12 higher |
| Atomic Radius | 217 lower | 235 lower |
| Ionization Energy | 7.89 higher | 5.539 higher |
| Electron Affinity | 0.322 lower | 0.5 lower |
| Oxidation States | +5 different | +4, +3 different |
| Melting Point | 3290 K (3016.85 °C) higher | 1071 K (797.85 °C) higher |
| Boiling Point | 5731 K (5457.85 °C) higher | 3697 K (3423.85 °C) higher |
| Density | 16.4 higher | 6.77 higher |
| Electron Configuration | [Xe]6s2 4f14 5d3 different | [Xe]6s2 4f1 5d1 different |
| Year Discovered | 1802 different | 1803 different |
higher lower
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