Assertion: neptunium | /r/HasProperty | reactive
Facets:
value: very
type: DEGREE
value: chemically
type: MANNER
value: with few uses
type: OTHER
value: in the actinide series
type: LOCATION
value: with four different oxidation states
type: OTHER
Source sentences:
text: Neptunium is chemically reactive and is more similar to plutonium than to uranium, with oxidation states from +3 to +7.
text: Neptunium is a silvery- metallic element and is radioactive.
text: Neptunium is a radioactive metal.
text: Neptunium is a reactive metal and can react with the majority of non metals.
text: Neptunium is a radioactive element added by NTM.
text: Neptunium is a radioactive rare earth metal and has at least 3 allotropic forms.
text: Neptunium is a silvery- metallic element and is radio-active.
text: Neptunium, a radioactive thing
text: It is a radioactive actinide metal.
text: Neptunium is a silver metal and is very reactive, with four different oxidation states.
text: Chemically, neptunium is very reactive and is attacked by acids, steam, and oxygen, but not by alkalis.
text: Neptunium is fairly reactive and forms some interesting compounds.
text: Chemically, Neptunium is extremely reactive and is attacked by Oxygen, steam and acids, but not by alkalis.
text: Neptunium is chemically reactive and is more similar to plutonium than to uranium, with oxidation states from +3 to +7.
text: Neptunium is prepared by the reduction of NpF3 with barium or lithium vapor at about 1200 deg C. Neptunium metal has a silvery appearance, is chemically reactive, and exists in at least three structural modifications: alpha-neptunium, orthorhombic, density
text: Neptunium is fairly reactive and forms some interesting compounds.
text: Neptunium is radioactive, so it's usage would be somewhere in that realm.
text: Being radioactive, it could possibly kill you if you were overexposed to it.
text: It is radioactive.
text: Neptunium is a silvery- metallic element and is radioactive.
text: Neptunium is a radioactive metal in the actinide series.
text: Neptunium is a radioactive metal that is silvery in colour and solid at room temperature.
text: Neptunium is a radioactive metal with few uses – though it is found in smoke detectors, and is also predicted to have the largest liquid range of any element.
text: Neptunium is a very reactive metal.
text: Advanced Light Source (ALS) has revealed critical new information about neptunium, a radioactive element that poses long-term environmental hazards.
text: Neptunium, named for the planet Neptune, is a radioactive rare earth metal.