Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Xe Xenon | Rb Rubidium |
|---|---|---|
| Atomic Number | 54 higher | 37 higher |
| Symbol | Xe different | Rb different |
| Name | Xenon different | Rubidium different |
| Atomic Mass | 131.29 higher | 85.468 higher |
| Category | Noble Gases different | Alkali Metals different |
| Period | 5 same value | 5 same value |
| Group | 18 higher | 1 higher |
| Block | p-Block different | s-Block different |
| Standard State | Gas different | Solid different |
| Electronegativity | 2.6 higher | 0.82 higher |
| Atomic Radius | 216 lower | 303 lower |
| Ionization Energy | 12.13 higher | 4.177 higher |
| Electron Affinity | — no data | 0.468 no data |
| Oxidation States | 0 different | +1 different |
| Melting Point | 161.36 K (-111.79 °C) lower | 312.46 K (39.31 °C) lower |
| Boiling Point | 165.03 K (-108.12 °C) lower | 961 K (687.85 °C) lower |
| Density | 0.0059 lower | 1.53 lower |
| Electron Configuration | [Kr]5s2 4d10 5p6 different | [Kr]5s1 different |
| Year Discovered | 1898 different | 1861 different |
higher lower
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