Statements (55)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:chemical_compound
|
| gptkbp:bfsLayer |
3
|
| gptkbp:bfsParent |
gptkb:Acorn_Computers
|
| gptkbp:block |
p-block
|
| gptkbp:color |
blue-grey
|
| gptkbp:contains_allergens |
amorphous silicon
crystalline silicon |
| gptkbp:cooling_system |
0.71 J/(g· K)
149 W/(m· K) |
| gptkbp:discovered_by |
gptkb:Jöns_Jacob_Berzelius
1824 |
| gptkbp:dissolved |
insoluble in water
|
| gptkbp:ecological_role |
essential for some organisms
|
| gptkbp:electronegativity |
1.90 (Pauling scale)
[ Ne] 3s² 3p² |
| gptkbp:engine |
gptkb:beer
steelmaking cement solar cells computer chips |
| gptkbp:environmental_impact |
silicon dust can be harmful
|
| gptkbp:historical_period |
gptkb:3
|
| https://www.w3.org/2000/01/rdf-schema#label |
Element 14
|
| gptkbp:isotopes |
gptkb:14
Si-28 Si-29 Si-30 |
| gptkbp:melting_point |
1414 ° C
2900 ° C |
| gptkbp:members |
gptkb:14
|
| gptkbp:name |
Silicon
|
| gptkbp:occurs_in |
abundant in Earth's crust
|
| gptkbp:population |
2.33 g/cm³
|
| gptkbp:products |
silicates
silicon dioxide silicon carbide silicon nitride silicon hydrides |
| gptkbp:safety_features |
non-toxic
non-flammable |
| gptkbp:set_in |
carbon
lead tin germanium phosphorus |
| gptkbp:social_structure |
+2
+4 diamond cubic |
| gptkbp:species |
27.7% in Earth's crust
|
| gptkbp:symbol |
gptkb:Si
|
| gptkbp:uses |
glass production
semiconductors silicones |
| gptkbp:was_a_response_to |
reacts with halogens
reacts with alkali metals |