⚖️ Compare Elements
Compare up to 6 elements side by side.
HHydrogen
CCarbon
FeIron
AuGold
| Property | H Hydrogen | C Carbon | Fe Iron | Au Gold |
|---|---|---|---|---|
| Atomic Mass(u) | 1.0080 | 12.011 | 55.84 | 196.96657 |
| Electronegativity(Pauling) | 2.2 | 2.55 | 1.83 | 2.54 |
| Atomic Radius(pm) | 120 | 170 | 194 | 166 |
| Ionization Energy(eV) | 13.598 | 11.26 | 7.902 | 9.226 |
| Electron Affinity(eV) | 0.754 | 1.263 | 0.163 | 2.309 |
| Melting Point(K) | 13.81 | 3823 | 1811 | 1337.33 |
| Boiling Point(K) | 20.28 | 4098 | 3134 | 3129 |
| Density(g/cm³) | 0.00008988 | 2.267 | 7.874 | 19.282 |
| Electron Config | 1s1 | [He]2s2 2p2 | [Ar]4s2 3d6 | [Xe]6s1 4f14 5d10 |
| Oxidation States | +1, -1 | +4, +2, -4 | +3, +2 | +3, +1 |
| Standard State | Gas | Solid | Solid | Solid |
| Year Discovered | 1766 | Ancient | Ancient | Ancient |