117. For chemicals that are unnamed, use the prefic after the to "un-"s to figure out the last digit. sept-=7. The two "un-"s both indicate one. So, one one seven, or 117
actually, 117 is the atomic number, the mass is approx 292
Ununseptium, with the chemical symbol Uus, has the atomic number 117.
Atomic mass
The atomic mass (or weight) of silver is 107.8682 amu (atomic mass units)
The atomic mass number of aluminum is 27. The atomic mass of aluminum is 26.98115386
Ununseptium hasn't practical uses.
Ununseptium: 294
Ununseptium and Ununoctium are currently tied.
Ununseptium and Ununoctium are currently tied.
Ununseptium, with the chemical symbol Uus, has the atomic number 117.
Fluorine, chlorine, bromine, iodine, astatine (ununseptium?)
Ununseptium is a synthetic element with the atomic number 117. Since it is an element, it is made up of individual atoms. However, the stability and existence of ununseptium have not been confirmed, so it is challenging to determine the exact number of atoms in a sample.
Ununseptium is the temporary name given to the chemical element with the atomic number 117. It is a highly radioactive, synthetic element that was first synthesized in 2010 by Russian and American scientists. Its properties and uses are still under investigation due to its short half-life.
The symbol for ununseptium is Uus.
Ununseptium, with the atomic number 117, has 117 protons and 117 electrons. Since it is a heavy and unstable element, the number of neutrons can vary depending on the isotope, but a common isotope of ununseptium might have around 176 neutrons.
Ununseptium hasn't uses.
Ununseptium is considered a solid.
Ununseptium was created in 2010.