Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | Sr Strontium | Te Tellurium |
|---|---|---|
| Atomic Number | 38 lower | 52 lower |
| Symbol | Sr different | Te different |
| Name | Strontium different | Tellurium different |
| Atomic Mass | 87.62 lower | 127.6 lower |
| Category | Alkaline Earth Metals different | Metalloids different |
| Period | 5 same value | 5 same value |
| Group | 2 lower | 16 lower |
| Block | s-Block different | p-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 0.95 lower | 2.1 lower |
| Atomic Radius | 249 higher | 206 higher |
| Ionization Energy | 5.695 lower | 9.01 lower |
| Electron Affinity | — no data | 1.971 no data |
| Oxidation States | +2 different | +6, +4, -2 different |
| Melting Point | 1050 K (776.85 °C) higher | 722.66 K (449.51 °C) higher |
| Boiling Point | 1655 K (1381.85 °C) higher | 1261 K (987.85 °C) higher |
| Density | 2.64 lower | 6.232 lower |
| Electron Configuration | [Kr]5s2 different | [Kr]5s2 4d10 5p4 different |
| Year Discovered | 1790 different | 1782 different |
higher lower
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