Assertion: neptunium | /r/HasProperty | silvery metal
Facets:
value: with electrons
type: OTHER
value: with 93 protons
type: OTHER
value: in solid
type: DEGREE
value: at room temperature
type: OTHER
value: in colour
type: OTHER
value: in appearance
type: OTHER
value: in color
type: OTHER
Source sentences:
text: Neptunium, a silvery metal, exists in three crystalline modifications; the room-temperature form (alpha) is orthorhombic.
text: When isolated, neptunium is silvery in color, and very reactive, combining with other elements to form an assortment of compounds, like other elements in the actinide series.
text: Neptunium is a silvery- metallic element and is radioactive.
text: Neptunium is a silvery white metal with a melting point of 640°C (1,180°F) and a density of 20.45 grams per cubic centimeter.
text: Neptunium is a silver metal and is very reactive, with four different oxidation states.
text: Neptunium is a silvery metallic element named after the planet Neptune.
text: Neptunium 237 is a silvery metal produced as a byproduct of nuclear power production.
text: Neptunium is a silvery metal produced from uranium-238 in breeder reactors as a byproduct of plutonium production; about one part neptunium is produced for every 1,000 parts plutonium.
text: It is silvery metal with 93 protons and electrons.
text: It is silvery metal with 93 protons and electrons.
text: Neptunium is silvery in appearance, chemically reactive, and is found in three allotropes:Neptunium has the largest liquid range of any element, 3,363°C, between the melting point and boiling point.
text: Neptunium is a radioactive metal that is silvery in colour and solid at room temperature.
text: Neptunium is a silvery- metallic element and is radio-active.
text: Neptunium is a silvery- metallic element and is radioactive.
text: Neptunium is a silvery white metal with a melting point of 640°C (1,180°F) and a density of 20.45 grams per cubic centimeter.