|
gptkbp:instance_of
|
gptkb:chemical_compound
|
|
gptkbp:bfsLayer
|
5
|
|
gptkbp:bfsParent
|
gptkb:Element_K
|
|
gptkbp:acidity
|
Forms hydrogen gas
|
|
gptkbp:atmosphere
|
Forms oxides
|
|
gptkbp:characteristics
|
Soft
Highly reactive
Low density
Low melting points
|
|
gptkbp:color
|
Silvery-white
|
|
gptkbp:discovered_by
|
gptkb:Sir_Humphry_Davy
|
|
gptkbp:ecological_role
|
Essential for life (e.g., sodium, potassium)
|
|
gptkbp:electronegativity
|
gptkb:Low
|
|
gptkbp:elevation
|
Group 1, Periods 1-7
|
|
gptkbp:engine
|
Electrolytes in batteries
Reducing agents in chemical reactions
|
|
gptkbp:form
|
Salts
Alkali hydroxides
|
|
gptkbp:have
|
One valence electron
|
|
gptkbp:historical_event
|
Medicinal purposes (e.g., lithium for mental health)
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Alkali Metals
|
|
gptkbp:includes
|
gptkb:Francium
gptkb:Rubidium
gptkb:Cesium
gptkb:Lithium
Potassium
Sodium
|
|
gptkbp:ingredients
|
Forms halides
|
|
gptkbp:isotopes
|
gptkb:Rubidium-85
gptkb:Lithium-6
gptkb:Lithium-7
Francium-223
Cesium-133
Potassium-39
Sodium-23
|
|
gptkbp:melting_point
|
gptkb:Varies
|
|
gptkbp:members
|
Group 1 of the periodic table
|
|
gptkbp:occurs_in
|
gptkb:Nature
|
|
gptkbp:population
|
gptkb:Varies
|
|
gptkbp:population_trend
|
Increases down the group
|
|
gptkbp:power_output
|
gptkb:Low
|
|
gptkbp:safety_features
|
Corrosive
Highly flammable
|
|
gptkbp:scientific_classification
|
Alkali metals are metals
|
|
gptkbp:serving_temperature
|
gptkb:public_square
|
|
gptkbp:storage
|
Under oil
|
|
gptkbp:used_in
|
Batteries
Chemical synthesis
Glass production
Soap making
|
|
gptkbp:was_a_response_to
|
gptkb:Water
|
|
gptkbp:year_created
|
1807
|