Chemical Elements.com - Ununnilium (Uun)

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Basic Information

Name: Ununnilium
Symbol: Uun
Atomic Number: 110
Atomic Mass: (269.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 110
Number of Neutrons: 159
Classification: Transition Metal
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown
More information about the naming of the heavy elements is available

Atomic Structure

Number of Energy Levels: 7

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Fifth Energy Level:

Sixth Energy Level:

Seventh Energy Level:

Isotopes

Isotope	Half Life
Uun-272	10.0 milliseconds

Facts

Date of Discovery: 1987
Discoverer: Organessian, et al.
Name Origin: Un (one) un (one) nil (zero) ium
Uses: No uses known
Obtained From: Man-made

MLA Format for Citing This Page

Bentor, Yinon. Chemical Element.com - Ununnilium. <http://www.chemicalelements.com/elements/uun.html>.

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