Ununseptium, with the chemical symbol Uus, has the atomic number 117.
The next heavier noble gas after radon is ununseptium, with an atomic number of 117.
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
There are no experiments done with Ununseptium to know, to which family it goes. This element can be halogen or noble gas or chalcogen. This may be known with some upcoming experiments with this element.
Ununseptium hasn't practical uses.
Ununseptium is not a metal; probable a nonmetal in the group 17 (halogens).
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: 294
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 next heavier noble gas after radon is ununseptium, with an atomic number of 117.
Ununseptium and Ununoctium are currently tied.
Ununseptium and Ununoctium are currently tied.
Ununseptium is an artificial chemical element, radioactive, unstable, atomic number 117, having two isotopes; it is supposed that Uus is a halogen but with only six atoms obtained is difficult to be sure now.
Some predicted properties of ununseptium:- melting point: 300-500 0C- boiling point: 55 0C- density: 7,2 g/cm3- empirical atomic radius; 138 PM- first ionization energy: 742,9 kJ/mol- solid- atomic number: 117- radioactive- unstable
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
Some predicted properties of ununseptium:- melting point: 300-500 0C- boiling point: 55 0C- density: 7,2 g/cm3- empirical atomic radius; 138 PM- first ionization energy: 742,9 kJ/mol- solid- atomic number: 117- radioactive- unstableThe chemistry of Uus is not known.
There are no experiments done with Ununseptium to know, to which family it goes. This element can be halogen or noble gas or chalcogen. This may be known with some upcoming experiments with this element.