The Element Californium

What is Californium? Element Properties & Periodic Table Info

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Definition of the Californium Element
A synthetic element produced in trace quantities by Helium isotope bombardment of curium. All isotopes are radioactive, chiefly by emission of alpha particles.  A sample of the metal itself has not been produced yet because its compounds resist reduction. The Atomic Number of this element is 98 and the Element Symbol is Cf.

What is Californium? Origin / Meaning of the name Californium
Named in honour of the U.S. state of California and for the University of California, Berkeley.

 

What is Californium? Periodic Table Group and Classification of the Californium Element
Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Californium
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 Californium Element
In 1950 Stanley Thompson, Kenneth Street, Jr., Albert Ghiorso and Glenn T. Seaborg discovered Californium by bombarding curium-242 with alpha particles, resulting in californium-245 (half-life 45 min). The discovery is credited to the leader of the group, Glenn T. 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 Californium? Occurrence of the Californium 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 Californium
Neutron moisture gauges
Portable neutron source in
Gold and Silver  prospecting

Cf

The Properties of the Californium Element
Symbol of Element : Cf
Atomic Number: 98
Atomic Mass: (251.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 98
Number of Neutrons: 153
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown

What is Californium? The Properties of the Californium Element
Name of Element : Californium
Symbol of Element : Cf
Atomic Number: 98
Atomic Mass: (251.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 98
Number of Neutrons: 153
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown

Californium as on the Periodic Table
Check out Californium 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 Californium 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 Californium - 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 Californium is just one element that can be found.

Learn about what is Californium with these fast facts...
These articles contain facts and information relating to Californium 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 Californium

The Elements are the building blocks of Modern Science & Chemistry


 

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