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The Element Meitnerium

Atom

"The Atom"

Definition of the Meitnerium Element

A short-lived radioactive element that is artificially produced. Meitnerium is not found free in the environment, since it is a synthetic element. Other Name - Unnilennium (Une). The Atomic Number of this element is 109 and the Element Symbol is Mt.

The Properties of the Meitnerium Element
Symbol of Element : Mt
Atomic Number : 109
Atomic Mass: (266.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons : 109
Number of Neutrons: 157
Crystal Structure: Unknown
Density Unknown
Color : Unknown

Origin / Meaning of the name Meitnerium
Named in honour of Lise Meitner the Austrian physicist and mathematician who discovered the element protactinium.

Periodic Table Group and Classification of the of the Meitnerium Element
Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Meitnerium is classified as a "Transition Metal" which are located in Groups 3 - 12 of the Periodic Table. Elements classified as Transition Metals are generally described as ductile, malleable, and able to conduct electricity and heat. 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 History and the Discovery of the Meitnerium Element
Meitnerium was synthesized by Peter Armbruster and Gottfried Munzenberg at the Institute for Heavy Ion Research at Darmstadt, Germany in 1982

History of the Periodic Table
Check out the brief History of the Periodic Table which details dates and the names of famous scientists and chemists who contributed to the development of the Periodic Table.

Occurrence of the Meitnerium 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 Meitnerium
No known uses

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