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