Berillium |
| Simbool | Be |
|---|---|
| Latyn naam | Beryllium |
| Atomiese nommer | 4 |
| Periode | 2 |
| Element kategorie | Metale |
| Relatieve atomiese massa | 9.012182 |
| Groep | II.A |
| Electronegativiteit | 1.5 |
| Oksidering nommers | 2 |
| Elektronkonfigurasie | 1s2 2s2 |
| Digtheid [g/cm3] | 1.828 |
| Staat | Vaste stof |
| Smeltpunt [°C] | 1278 |
| Kookpunt [°C] | 2970 |
| Atomiese radius [pm] | 112 |
| Covalent radius [pm] | 90 |
| Warmte geleiding [W m-1K-1] | 200 |
| Warmtekapasiteit [J K-1g-1] | 1.825 |
| Ontdekking | 1828 |
| Hardheid [Mohs skaal] | 5.0-5.5 |
| Vickershardheid [MPa] | 1670 |
| Brinellhardheid [MPa] | 600 |
| Young's modulus [GPa] | 287 |
| Elektriese geleiding [S m-1] | 2.5 · 107 |
| Shear modulus [GPa] | 132 |
| 1.ste ionisasie-energie [eV] | 9.3226 |
| 2.de ionisasie-energie [eV] | 18.211 |
| 3.de ionisasie-energie [eV] | 153.893 |
| Stabiele isotope | 1 |
| Onstabiele isotope | 3 |