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What is the atomic radius for promethium?
The empirical atomic radius of promethium is 183 pm.
What is the atomic mass of Promethium?
The atomic mass of Promethium (Pm) is approximately 145 u (atomic mass units).
Who is promethium?
Promethium is a chemical element, atomic number 61.
What is the atomic symbol of promethium?
The chemical symbol of promethium is Pm.
What is the atomic number of promethium?
Promethium, with the chemical symbol Pm, is the chemical element with the atomic number 61.
What is atomic number 61?
Promethium
What is promethium's family number?
Promethium is one of the lanthanoids, atomic number 61, period 6.
Classificatioun of promethium?
Promethium is a metal in the family of lanthanoids.
What is 61 promethium?
Promethium is a chemical element from the lanthanoids family, with the atomic number 61, metal, radioactive.
What is the symbol for promethium?
Isotopes of all elements contain the chemical symbol of the element and:- as a superscript, to left: the mass number of the isotope- as a subscript to left: the atomic number of the elementA correct symbol is not possible to be written on WikiAnswers window.
Where is promethium on the periodic table of elements?
Promethium exist in nature only in traces; it is supposed that the Earth crust contain less than 1 kg promethium.
What came first hydrogen or promethium?
Hydrogen as the atomic number 1 and promethium has the atomic number 61.
