Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Kr Krypton | Xe Xenon |
|---|---|---|
| Atomic Number | 36 lower | 54 lower |
| Symbol | Kr different | Xe different |
| Name | Krypton different | Xenon different |
| Atomic Mass | 83.8 lower | 131.29 lower |
| Category | Noble Gases same value | Noble Gases same value |
| Period | 4 lower | 5 lower |
| 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 | 3 higher | 2.6 higher |
| Atomic Radius | 202 lower | 216 lower |
| Ionization Energy | 14 higher | 12.13 higher |
| Electron Affinity | — no data | — no data |
| Oxidation States | 0 same value | 0 same value |
| Melting Point | 115.79 K (-157.36 °C) lower | 161.36 K (-111.79 °C) lower |
| Boiling Point | 119.93 K (-153.22 °C) lower | 165.03 K (-108.12 °C) lower |
| Density | 0.0037 lower | 0.0059 lower |
| Electron Configuration | [Ar]4s2 3d10 4p6 different | [Kr]5s2 4d10 5p6 different |
| Year Discovered | 1898 same value | 1898 same value |
higher lower
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