Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Cs Cesium | Li Lithium |
|---|---|---|
| Atomic Number | 55 higher | 3 higher |
| Symbol | Cs different | Li different |
| Name | Cesium different | Lithium different |
| Atomic Mass | 132.9055 higher | 7 higher |
| Category | Alkali Metals same value | Alkali Metals same value |
| Period | 6 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 | 0.79 lower | 0.98 lower |
| Atomic Radius | 343 higher | 182 higher |
| Ionization Energy | 3.894 lower | 5.392 lower |
| Electron Affinity | 0.472 lower | 0.618 lower |
| Oxidation States | +1 same value | +1 same value |
| Melting Point | 301.59 K (28.44 °C) lower | 453.65 K (180.5 °C) lower |
| Boiling Point | 944 K (670.85 °C) lower | 1615 K (1341.85 °C) lower |
| Density | 1.93 higher | 0.534 higher |
| Electron Configuration | [Xe]6s1 different | [He]2s1 different |
| Year Discovered | 1860 different | 1817 different |
higher lower
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