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All the isotopes of uranium and plutonium are radioactive; plutonium isotopes have a greater specific activity.
For cerium: the isotopes 136Ce and 142Ce are possible to be radioactive but having very long half lives and a not significative radioactivity.
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Is uranium in the lanthanide family?
cerium is atomic number 58 element and is in lanthanoide family and is a transition metal
What was the chemical element uranium named after what planet?
It was the other way round. Uranium was named after a planet. That planet was Uranus.
How many elements are named after solar planets?
Two are named for major planets: uranium (Uranus) and neptunium (Neptune).The element mercury is named for the Roman god of speed, as was the planet; but the element was not directly named for the planet.Two are named for minor planets: cerium (Ceres) and plutonium (Pluto).If the asteroid Pallas is promoted to minor planet status, then palladium will join that list.but the most common element named after a planet is uranium(uranus).
What element is the principal ingredient in misch metal?
The element that is the principal ingredient in misch metals is cerium with most misch metals consisting of about 50% cerium.
Is curium dangerous element?
Cerium is very mildly radioactive, to the point of being non radioactive for most practical purposes. Natural cerium is made up of 88.886% stable material, but 11.114% is made up of 142Ce, which has a half life of 50,000,000,000,000,000 years. Like all other elements, there are radioactive synthetic isotopes of cerium.
How many atomic mass in cerium?
Cerium is a metal element. Atomic mass of it is 140.
Physical state of cerium at room temperature?
The metal curium is normally a solid at anything close to "normal" temperature. It melts at well in excess of 1000 °C. Curium is a synthetic trans-uranium element; it is not found in nature. A link can be found below.
What element has atomic mass of 58.7?
The element with 58 electrons is Cerium (Ce). It has the atomic number 58. Cerium is a 'Rare Earth' metal in Period 6 (Lanthanide group) of the periodic table. With mass number 140 this Ce is the first and stable isotope (142 is weakly unstable, 141 is a radioactive artificial isotope) [It has 58 electrons in 6 shells with 2 electrons in the outer shell (4f-block), so it is NOT a 'Transition' group metal of the 5d-block starting with 72Hf]
What is the origin of element cerium?
German
Atomic mass or cerium?
Cerium is a non metal element. Atomic mass of it is 140.12.
Is curium flammable?
Curium is a radioactive element, a strongly alpha emitter - dangerous, of course.
What are the uses for the following d block and f block elements copper iron neodymium europium cerium uranium plutonium and americium?
A correct answer is very, very long for WikiAnswers; please read in a book of Inorganic Chemistry, on line or printed.
