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What is the atomic number 61?
That's impossible. The atomic mass is the number of protons plus the number of neutrons.If you meant the element with atomic number 61, the name is Promethium. But it doesn't have 108 neutrons.
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 does Pm stand for in the periodic table?
Pm stands for Promethium in the periodic table. It is a rare earth element with the atomic number 61.
Pm is the chemical symbol for what?
Promethium is a chemical element with the symbol Pm and atomic number 61
Which element has a mass 100 less than cerium?
Isotopes of curium have masses between 232 and 252. It is your choice to subtract 1oo from (232 to 252) and to found an isotope. I have the same homework!!! The answer is calcium. - Linz The most important isotope of curium has an atomic weight of 247; 247-100 is 147. This is the mass of an important isotope of promethium.
What is the atomic radius for promethium?
The empirical atomic radius of promethium is 183 pm.
What is the atomic number 61?
That's impossible. The atomic mass is the number of protons plus the number of neutrons.If you meant the element with atomic number 61, the name is Promethium. But it doesn't have 108 neutrons.
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 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.
What is atomic number 61?
Promethium
What is promethium's family number?
Promethium is one of the lanthanoids, atomic number 61, period 6.
What is the atomic weight of promethium?
145 (no units as atomic weight is dimensionless)
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 mass number of promethium?
145.0
