Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
|
| gptkbp:appearance |
steel gray
|
| gptkbp:atomicNumber |
4
|
| gptkbp:atomicWeight |
9.0122
|
| gptkbp:block |
s-block
|
| gptkbp:boilingPoint |
2469°C
|
| gptkbp:CASNumber |
7440-41-7
|
| gptkbp:category |
alkaline earth metal
|
| gptkbp:crystalSystem |
hexagonal close-packed
|
| gptkbp:density |
1.85 g/cm³
|
| gptkbp:discoveredBy |
gptkb:Louis_Nicolas_Vauquelin
|
| gptkbp:discoveredIn |
1798
|
| gptkbp:electronConfiguration |
[He] 2s2
|
| gptkbp:electronegativity |
1.57
|
| https://www.w3.org/2000/01/rdf-schema#label |
Be
|
| gptkbp:isotopes |
10Be
9Be |
| gptkbp:meltingPoint |
1287°C
|
| gptkbp:oxidationStates |
+2
|
| gptkbp:period |
2
|
| gptkbp:relatedGroup |
2
|
| gptkbp:symbol |
Beryllium
|
| gptkbp:toxicity |
toxic
|
| gptkbp:uses |
aerospace
nuclear reactors X-ray windows |
| gptkbp:bfsParent |
gptkb:Common
|
| gptkbp:bfsLayer |
5
|