The Element Curium

What is Curium? Element Properties & Periodic Table Info

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Definition of the Curium Element
A radioactive transuranic metallic element; produced by bombarding plutonium with Helium nuclei. A transuranic element means an element with atoms heavier than those of Uranium with an atomic number greater than 92. Curium was the third transuranium element to be discovered.

Curium is very radioactive, more electropositive than Aluminium, chemically reactive. The Atomic Number of this element is 96 and the Element Symbol is Cm.

 

What is Curium? Origin / Meaning of the name Curium
Named the new element after Marie Curie and her husband Pierre Curie who discovered radium and polonium.

What is Curium? Periodic Table Group and Classification of the Curium Element
Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Curium classified as an element in the Actinide series as one of the "Rare Earth Elements" which can located in Group 3 elements of the Periodic Table and in the 6th and 7th periods. The Rare Earth Elements are of the Lanthanide and Actinide series. Most of the elements in the Actinide series are synthetic or man-made. Nearly 75% of all the elements in the Periodic Table are classified as metals which are detailed in the List of Metals.

Facts about the Discovery and History of the Curium Element
First synthesized at the University of California, Berkeley, USA by Glenn T. Seaborg, Ralph A. James, and Albert Ghiorso in 1944. Discovery credited to Glenn Seaborg.

Glenn T. Seaborg
The American scientist Glenn T. Seaborg (1912 - 1999) won the 1951 Nobel Prize in Chemistry for "discoveries in the chemistry of the transuranium elements". Glenn Seaborg contributed to the discovery and isolation of ten elements: plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium and element 106, which was named seaborgium in his honor whilst he was still living. Glenn Seaborg also developed the actinide concept, which led to the current arrangement of the actinoid series in the periodic table of the elements.

Glenn Seaborg (1912 - 1999)

What is Curium? Occurrence of the Curium Element
Man-made

Abundances of the element in different environments
% in Universe N/A
% in Sun None
% in Meteorites None
% in Earth's Crust None
% in Oceans None
% in Humans None

Associated Uses of Curium
Pacemakers
Remote navigational buoys
Space missions

Cm

The Properties of the Curium Element
Symbol of Element: Cm
Atomic Number: 96
Atomic Mass: (247.0) amu
Melting Point: 1340.0 C - 1613.15 K
Boiling Point: Unknown
Number of Protons/Electrons: 96
Number of Neutrons: 151
Crystal Structure: Unknown
Density @ 293 K: 13.511 g/cm3
Color: Unknown

What is Curium? The Properties of the Curium Element
Name of Element : Curium
Symbol of Element: Cm
Atomic Number: 96
Atomic Mass: (247.0) amu
Melting Point: 1340.0 C - 1613.15 K
Boiling Point: Unknown
Number of Protons/Electrons: 96
Number of Neutrons: 151
Crystal Structure: Unknown
Density @ 293 K: 13.511 g/cm3
Color: Unknown

Curium as on the Periodic Table
Check out Curium on the Periodic Table which arranges each chemical element according to its atomic number, as based on the Periodic Law, so that chemical elements with similar properties are in the same column. Our Periodic Table is simple to use - just click on the symbol for Curium as on the Periodic Table for additional information and for an instant comparison of the Atomic Weight, Melting Point, Boiling Point and Mass - G/cc with any other element. An invaluable source of facts and information as a Chemistry reference guide.

What is Curium - IUPAC and the Modern Standardised Periodic Table
The Standardised Periodic Table in use today was agreed by the International Union of Pure Applied Chemistry, IUPAC, in 1985 and now recognises more periods and elements than Dimitri  Mendeleev knew in his day in his day but still all fitting into his concept of  the "Periodic Table" in which Curium is just one element that can be found.

Learn about what is Curium with these fast facts...
These articles contain facts and information relating to Curium and each of the other elements including the Periodic Symbol,  group, classification, properties and atomic number which is often referred to as the Periodic Table Number. Test your knowledge of chemistry and the Periodic Table by completing the Element Symbols and Atomic Numbers on our Blank Periodic Table. Chemistry students will also find a helpful section on Chemical Formulas.

What is the Element Curium

The Elements are the building blocks of Modern Science & Chemistry


 

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