Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Rn Radon | Kr Krypton |
|---|---|---|
| Atomic Number | 86 higher | 36 higher |
| Symbol | Rn different | Kr different |
| Name | Radon different | Krypton different |
| Atomic Mass | 222.0176 higher | 83.8 higher |
| Category | Noble Gases same value | Noble Gases same value |
| Period | 6 higher | 4 higher |
| Group | 18 same value | 18 same value |
| Block | p-Block same value | p-Block same value |
| Standard State | Gas same value | Gas same value |
| Electronegativity | — no data | 3 no data |
| Atomic Radius | 220 higher | 202 higher |
| Ionization Energy | 10.745 lower | 14 lower |
| Electron Affinity | — no data | — no data |
| Oxidation States | 0 same value | 0 same value |
| Melting Point | 202 K (-71.15 °C) higher | 115.79 K (-157.36 °C) higher |
| Boiling Point | 211.45 K (-61.7 °C) higher | 119.93 K (-153.22 °C) higher |
| Density | 0.0097 higher | 0.0037 higher |
| Electron Configuration | [Xe]6s2 4f14 5d10 6p6 different | [Ar]4s2 3d10 4p6 different |
| Year Discovered | 1900 different | 1898 different |
higher lower
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