Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Sc Scandium | Nd Neodymium |
|---|---|---|
| Atomic Number | 21 lower | 60 lower |
| Symbol | Sc different | Nd different |
| Name | Scandium different | Neodymium different |
| Atomic Mass | 44.9559 lower | 144.24 lower |
| Category | Transition Metals different | Lanthanides different |
| Period | 4 lower | 6 lower |
| Group | 3 same value | 3 same value |
| Block | d-Block different | f-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 1.36 higher | 1.14 higher |
| Atomic Radius | 211 lower | 229 lower |
| Ionization Energy | 6.561 higher | 5.525 higher |
| Electron Affinity | 0.188 no data | — no data |
| Oxidation States | +3 same value | +3 same value |
| Melting Point | 1814 K (1540.85 °C) higher | 1294 K (1020.85 °C) higher |
| Boiling Point | 3109 K (2835.85 °C) lower | 3347 K (3073.85 °C) lower |
| Density | 2.99 lower | 7.01 lower |
| Electron Configuration | [Ar]4s2 3d1 different | [Xe]6s2 4f4 different |
| Year Discovered | 1879 different | 1885 different |
higher lower
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