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What is curium reactive to?

What is curium reactive to?

Named after Pierre and Marie Curie, curium is a silvery, radioactive metal. It is a chemically active metal, reacting with air, water and acids but not bases.

Is curium a stable element?

Curium has 14 known isotopes. Though none are stable, 247Cm has a half-life of about 15,600,000 years. It decays into 243Pu through alpha decay.

What is the nuclear reaction of curium?

In nuclear reactors, curium is formed from 238U in a series of nuclear reactions. In the first chain, 238U captures a neutron and converts into 239U, which via β− decay transforms into 239Np and 239Pu. (the times are half-lives).

What is special about curium?

Curium has been used to provide power to electrical equipment used on space missions. Curium has no known biological role. It is toxic due to its radioactivity. Curium can be made in very small amounts by the neutron bombardment of plutonium in a nuclear reactor.

Is Curium highly reactive?

The atomic symbol was chosen because it was the initials used by Marie Curie. Curium is a dense and hard transuranic element that is silvery-white in appearance. It is very reactive, tarnishing in the presence of oxygen, steam, acids and even dry nitrogen.

Is Curium a conductor?

Curium is radioactive. It is produced by bombarding uranium or plutonium with neutrons in nuclear reactors….Curium Properties.

Melting Point: 1345 °C, 2453 °F, 1618 K
Heat of Vaporization (kJ·mol-1): about 32
Heat of Atomization (kJ·mol-1): 382
Thermal Conductivity: N/A
Thermal Expansion: N/A

What is curium in the periodic table?

Curium (Cm), synthetic chemical element of the actinoid series of the periodic table, atomic number 96. It was the third transuranium element to be discovered. The element was named after French physicists Pierre and Marie Curie.

What is the density of curium?

13.51 g.cm-3
Chemical properties of curium – Health effects of curium – Environmental effects of curium

Atomic number 96
Density 13.51 g.cm-3 at 20°C
Melting point 1340 °C
Boiling point unknown
Vanderwaals radius unknown

What is curium atomic mass?

247 u
Curium/Atomic mass

Why is curium used in pacemakers?

The isotope of curium used in pacemakers is Cm-242, which is an alpha particle emitter. Another benefit of using Cm-242 in pacemakers is its power output. It generates roughly 2 to 3 watts of power per gram via heat energy. This is a relatively high power output compared to other alpha emitters.

What is curium found in?

1944
Curium/Discovered

What is curium in periodic table?

Curium is a chemical element with symbol Cm and atomic number 96. Classified as an actinide, Curium is a solid at room temperature. 96.

What are the properties of the metal curium?

Curium is a hard metal having an atomic number of 96 and symbol Cm. This metal is artificially produced in the nuclear reactors. It is electro-positive, radioactive and also a chemically active substance, which is not obtained naturally. This metal possesses some magnetic properties.

Who is the discoverer of the element curium?

Curium Element Facts. The chemical element curium is classed as an actinide metal. It was discovered in 1944 by Glenn T. Seaborg, Ralph A.James, and Albert Ghiorso.

What is the half life of curium 242?

Curium-242 (half-life 162.8 days) was produced by bombarding plutonium-239 with alpha particles in the Berkeley, California, 60-inch cyclotron. Each nuclear reaction produced a neutron in addition to an atom of curium-242.

How is curium produced in a nuclear reactor?

Curium is a hard, brittle, silvery metal that tarnishes slowly in dry air at room temperature. Curium does not occur naturally; it is typically produced artificially in nuclear reactors through successive neutron captures by plutonium and americium isotopes.