Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Cs Cesium | Rn Radon |
|---|---|---|
| Atomic Number | 55 lower | 86 lower |
| Symbol | Cs different | Rn different |
| Name | Cesium different | Radon different |
| Atomic Mass | 132.9055 lower | 222.0176 lower |
| Category | Alkali Metals different | Noble Gases different |
| Period | 6 same value | 6 same value |
| Group | 1 lower | 18 lower |
| Block | s-Block different | p-Block different |
| Standard State | Solid different | Gas different |
| Electronegativity | 0.79 no data | — no data |
| Atomic Radius | 343 higher | 220 higher |
| Ionization Energy | 3.894 lower | 10.745 lower |
| Electron Affinity | 0.472 no data | — no data |
| Oxidation States | +1 different | 0 different |
| Melting Point | 301.59 K (28.44 °C) higher | 202 K (-71.15 °C) higher |
| Boiling Point | 944 K (670.85 °C) higher | 211.45 K (-61.7 °C) higher |
| Density | 1.93 higher | 0.0097 higher |
| Electron Configuration | [Xe]6s1 different | [Xe]6s2 4f14 5d10 6p6 different |
| Year Discovered | 1860 different | 1900 different |
higher lower
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