Ununnilium

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

 * [[image:http://www.chemicalelements.com/bohr/b0110.gif width="369" height="367"]] ||  || **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