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After IUPAC 2009 the atomic weight of dubnium is [268]; this is the Atomic Mass of the most stable isotope, 268Db.
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What is the mass number of dubnium?
Dubnium's mass number is about 262, because it is the atomic mass of the closest stable isotope.
What is dubnium atomic mass?
268
What metal is in period 7 group 5?
Dubnium atomic number 105
What element has a mass of 115?
Element 115 is Ununpentium, or Uup. It is also known as eka-bismuth. It is a placeholder in the periodic table, and we have not been able to synthesize more than 30 or so atoms of it since 2004. All of its half-lives are very short.
What is the difference between atomic mass and atomic mass unit?
The atomic mass unit is used to express the measure of the atomic mass.
What is the atomic weight of dubnium?
Dubnium, symbol Db, has an atomic number of 105 and an atomic weight/mass of 262.
What is the mass number of dubnium?
Dubnium's mass number is about 262, because it is the atomic mass of the closest stable isotope.
What is dubnium atomic mass?
268
How many neutrons and electrons does dubnium have?
Number of neutrons = Atomic mass of an isotope - Atomic number of the element The atomic number of dubnium is 105; dubnium has many isotopes and of course each idotope has a different number of neutrons - dubnium has now 13 isotopes and 1 isomer.
What is the atomic number for dubnium?
The atomic number of dubnium is 105.
What is the atomic number of dubnium?
The predicted electron configuration of dubnium is [Db]5f14.6d3.7s2.
What is the atomicity of dubnium?
The atomic number of dubnium is 105.
Where is dubnium located on the periodic table?
Dubnium has an atomic number of 105, group 5, period 7
What is the atomic number for Unp?
Unp (now dubnium) has the atomic number 105.
What metal is in period 7 group 5?
Dubnium atomic number 105
What is dubnium?
Dubnium is an artificial chemical element, atomic number 105, radioactive, very probably a solid metal, group 5 in the periodic table of elements.
What is the descrition for dubnium?
Dubnium is an artificial chemical element, metal, solid, radioactive, placed in period 7 and group 5 of the periodic table of Mendeleev. The atomic number is 105. Dubnium has 13 isotopes and probable 3 isomers.Some estimated properties of dubnium:-density: 29,3 g/cm3-first ionization energy; 664,8 kJ/mol-empirical atomic radius: 139 pm-crystalline structure: body centered cubic
