Assertion: uranium | /r/HasProperty | radioactive
Facets:
value: weakly
type: DEGREE
value: naturally
type: MANNER
value: slightly
type: DEGREE
value: first of all
type: OTHER
value: highly chemically
type: DEGREE
value: after all
type: TEMPORAL
value: no longer
type: TEMPORAL
value: barely
type: DEGREE
value: mildly
type: DEGREE
value: in 1896
type: TEMPORAL
value: highly
type: DEGREE
value: a bit
type: TEMPORAL
value: dangerously
type: DEGREE
value: by antoine h. becquerel
type: OTHER
Source sentences:
text: Uranium is weakly radioactive because all isotopes of uranium are unstable; the half-lives of its naturally occurring isotopes range between 159,200 years and 4.5 billion years.
text: Uranium is a radioactive element discovered by the German chemist Martin Klaproth in 1789, which he decided to name after Uranus for some reason.
text: Uranium, when refined, is silvery white and weakly reactive.
text: Uranium is a highly reactive metal and reacts with almost of all the nonmetallic elements and many of their compounds.
text: Uranium is a radioactive natural mineral that, once processed and enriched, can be used to generate enormous energy or blow things up.
text: Uranium, chemical symbol U, is a radioactive chemical element that is essential in producing nuclear fuel.
text: uranium is a radioactive source of energy.
text: So given that uranium is best known as a radioactive material
text: Uranium 238 is a radioactive non-stable isotope.
text: Therefore, Uranium is considered as a radioactive element.
text: Because uranium is radioactive, it is constantly emitting particles and changing into other elements.
text: Uranium is naturally radioactive: Its nucleus is unstable, so the element is in a constant state of decay, seeking a more stable arrangement.
text: Uranium was found to be radioactive in 1896 by Antoine H. Becquerel, a French physicist.
text: Uranium is weakly radioactive and contributes to low levels of natural background radiation background radiationRadiation that is always in the environment.
text: Uranium is weakly radioactive and remains so because of its long physical half-life (4.468 billion years for uranium-238).
text: Uranium is a bit radioactive.
text: Because Uranium is radioactive it is often seen with the hazard sign for radioactive elements, a group of three triangles with curved outer edges pointing in towards the middle (as you can see on the left).
text: The uranium within these items is radioactive and should be treated with care.
text: The fact that uranium is radioactive was not discovered for 107 years after uranium was discovered.
text: However, since uranium is radioactive, you can also be exposed to its radiation if you are near it.
text: Uranium is a naturally occurring element that has the highest atomic weight (~238 g/mole) and is slightly radioactive.
text: Uranium itself is only slightly radioactive.
text: First of all, uranium is radioactive.
text: A few years earlier, in 1938, it was discovered that uranium is not only radioactive, it is also fissionable, which makes it unique among all naturally occurring radioactive materials.
text: Uranium is a silvery-grey metal that is radioactive.
text: Before people knew that uranium was radioactive it was used as a yellow coloring for pottery and glassware.
text: Uranium is only weakly radioactive, and its chemical toxicity – especially as UF 6 – is more significant than its radiological toxicity.
text: Because uranium is naturally radioactive and exists virtually everywhere, it contributes to what is called natural background radiation.
text: Since uranium is mildly radioactive, once inside the body it also irradiates the organs, but the primary health effect is associated with its chemical action on body functions.
text: Uranium is mined, enriched, used in a reactor (where it becomes radioactive nuclear waste), and then stored until it is no longer dangerously radioactive.
text: Uranium is naturally radioactive, meaning that it spontaneously decays through a series of so-called “daughter elements” to form the stable element lead (atomic number 82).
text: Uranium is naturally radioactive, like many other naturally occurring radioactive elements in nature.
text: First of all, uranium is radioactive.
text: A few years earlier, in 1938, it was discovered that uranium is not only radioactive, it is also fissionable, which makes it unique among all naturally occurring radioactive materials.
text: Although uranium itself is barely radioactive, the ore which is mined must be regarded as potentially hazardous due to uranium’s decay products, especially if it is high-grade ore.
text: Uranium is weakly radioactive because all its isotopes are unstable.
text: Uranium is a metallic chemical element that is weakly radioactive and has the highest atomic weight of all naturally occurring elements.
text: Uranium has a bad reputation (it is radioactive, after all), but U-238 has a very long half-life, meaning that it can be handled fairly safely as long as precautions are taken (as seen in the video below).
text: Uranium (U) is a radioactive element that averages one to four parts per million in the Earth's crust.
text: Uranium is a radioactive element denoted by the chemical symbol
text: It is a weakly radioactive element whose half-live ranges from 159,200 years to 4.5 billion years.
text: Uranium is a weakly radioactive element discovered in 1789 by Martin Heinrich Klaproth.
text: Uranium is a weakly radioactive element.
text: Uranium is weakly radioactive element and is not very dangerous because of its radioactivity.
text: Uranium is an extremely dense metal, and is highly chemically reactive, burning spontaneously when in contact with air.