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Ununseptium, with the chemical symbol Uus, has the atomic number 117.
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∙ 14y ago
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What are the uses of ununseptium?
Ununseptium hasn't practical uses.
What is the atomic mass of ununseptium?
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
Is Ununseptium a transition metal?
Ununseptium is not a metal; probable a nonmetal in the group 17 (halogens).
What is the number of protons neutrons electrons in ununseptium?
Uup 287: 172 neutrons Uup 288: 173 neutrons
What is an example of Atomic Number?
Atomic number= number of protons. Hydrogen atomic number=1
What is ununseptium?
Ununseptium is the systematic element name for the chemical element with the atomic number 117, Chemical symbol Uus.
What are the halogens from the lowest to highest atomic number?
Fluorine, chlorine, bromine, iodine, astatine (ununseptium?)
What is the atomic mass of the Unnilseptium?
Ununseptium: 294
What are the properties for ununseptium?
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.
What element has greatest atomic mass?
Ununseptium and Ununoctium are currently tied.
What is the element with the heaviest atomic mass?
Ununseptium and Ununoctium are currently tied.
What is the last halogen?
It is the element first created in 2009 Ununseptium, (Uus), with the atomic number of 117 and a standard atomic weight thought to be 294. The name, which simply refers to its atomic number, is a temporary one as at the time of posting this reply (end 2015)..
What is a property of ununseptium?
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
What are the physical and chemical properties of ununseptium?
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.
What is the name of element number 117 on the periodic table?
Ununseptium
How is ununseptium used?
Ununseptium hasn't uses.
Is ununseptium a solid?
Ununseptium is considered a solid.
