Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Na Sodium | Li Lithium |
|---|---|---|
| Atomic Number | 11 higher | 3 higher |
| Symbol | Na different | Li different |
| Name | Sodium different | Lithium different |
| Atomic Mass | 22.9898 higher | 7 higher |
| Category | Alkali Metals same value | Alkali Metals same value |
| Period | 3 higher | 2 higher |
| Group | 1 same value | 1 same value |
| Block | s-Block same value | s-Block same value |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 0.93 lower | 0.98 lower |
| Atomic Radius | 227 higher | 182 higher |
| Ionization Energy | 5.139 lower | 5.392 lower |
| Electron Affinity | 0.548 lower | 0.618 lower |
| Oxidation States | +1 same value | +1 same value |
| Melting Point | 370.95 K (97.8 °C) lower | 453.65 K (180.5 °C) lower |
| Boiling Point | 1156 K (882.85 °C) lower | 1615 K (1341.85 °C) lower |
| Density | 0.97 higher | 0.534 higher |
| Electron Configuration | [Ne]3s1 different | [He]2s1 different |
| Year Discovered | 1807 different | 1817 different |
higher lower
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