Compare Elements
Compare two chemical elements side by side across 19 atomic and physical properties.
| Property | S Sulfur | Mg Magnesium |
|---|---|---|
| Atomic Number | 16 higher | 12 higher |
| Symbol | S different | Mg different |
| Name | Sulfur different | Magnesium different |
| Atomic Mass | 32.07 higher | 24.305 higher |
| Category | Reactive Nonmetals different | Alkaline Earth Metals different |
| Period | 3 same value | 3 same value |
| Group | 16 higher | 2 higher |
| Block | p-Block different | s-Block different |
| Standard State | Solid same value | Solid same value |
| Electronegativity | 2.58 higher | 1.31 higher |
| Atomic Radius | 180 higher | 173 higher |
| Ionization Energy | 10.36 higher | 7.646 higher |
| Electron Affinity | 2.077 no data | — no data |
| Oxidation States | +6, +4, -2 different | +2 different |
| Melting Point | 388.36 K (115.21 °C) lower | 923 K (649.85 °C) lower |
| Boiling Point | 717.75 K (444.6 °C) lower | 1363 K (1089.85 °C) lower |
| Density | 2.067 higher | 1.74 higher |
| Electron Configuration | [Ne]3s2 3p4 different | [Ne]3s2 different |
| Year Discovered | Ancient different | 1808 different |
higher lower
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