|
gptkbp:instance_of
|
gptkb:chemical_compound
|
|
gptkbp:average_temperature
|
gptkb:solid
|
|
gptkbp:color
|
Silvery-white
|
|
gptkbp:color_in_flame_test
|
Lilac
|
|
gptkbp:discovered_by
|
gptkb:Sir_Humphry_Davy
|
|
gptkbp:discovery_year
|
1807
|
|
gptkbp:dissolved
|
Soluble
|
|
gptkbp:ecological_role
|
Muscle contraction
Heart function
Regulates fluid balance
Supports nerve function
|
|
gptkbp:electronegativity
|
0.82 (Pauling scale)
[ Ar] 4s1
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Element K
|
|
gptkbp:ion
|
K⁺
|
|
gptkbp:isotopes
|
gptkb:19
gptkb:K-40
K-39
K-41
|
|
gptkbp:mass
|
39.0983
|
|
gptkbp:melting_point
|
63.5 ° C
759 ° C
|
|
gptkbp:members
|
gptkb:Alkali_Metals
|
|
gptkbp:named_after
|
Kalium
|
|
gptkbp:occurs_in
|
Abundant in nature
|
|
gptkbp:period
|
gptkb:4
|
|
gptkbp:population_density
|
0.862 g/cm³
|
|
gptkbp:reaction_with_oxygen
|
Forms potassium oxide
|
|
gptkbp:related_products
|
gptkb:Potassium_acetate
gptkb:Potassium_bromide
gptkb:Potassium_carbonate
gptkb:Potassium_chloride
gptkb:Potassium_citrate
gptkb:Potassium_hydroxide
gptkb:Potassium_nitrate
gptkb:Potassium_permanganate
gptkb:Potassium_phosphate
gptkb:Potassium_sulfate
|
|
gptkbp:safety
|
Flammable
Corrosive to metals
|
|
gptkbp:side_effect
|
Essential nutrient for plants
Necessary for human health
|
|
gptkbp:source
|
gptkb:Spinach
gptkb:Nut
Avocados
Potatoes
Bananas
|
|
gptkbp:storage
|
Stored in mineral oil
|
|
gptkbp:symbol
|
gptkb:K
|
|
gptkbp:uses
|
Fertilizers
Industrial applications
Food additives
|
|
gptkbp:was_a_response_to
|
Produces hydrogen gas
Highly reactive with water
|
|
gptkbp:bfsParent
|
gptkb:Skillsoft
|
|
gptkbp:bfsLayer
|
5
|