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Naturally radioactive promethium was briefly used as a replacement for radium in self-luminous paint. It is element 61.
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What is the only synthetic element in the lanthanide series?
Promethium, Pm, atomic number 61
Pm is the chemical symbol for what?
Promethium is a chemical element with the symbol Pm and atomic number 61
What is the smallest particle of an element that has the properties of that element is called an?
The smallest particle of an element that has the properties of that element is called an atom.
Which element is called wonder element?
Carbon is called the wonder element as it is capable of forming a large number of and different type of compounds.
What is the Green Crystal element Called?
This element is Sulfur.
What element has 61 protons?
The element Silver has 61 neutrons. Its symbol on the Periodic Table is 'Ag'.
How many neutrons are in an atom of the element silver?
there are 61 neutrons in a the element silver
If element X has 61 protons how many electrons does it have?
In the neutral state the number of electrons is 61.
What is 61 promethium?
Promethium is a chemical element from the lanthanoids family, with the atomic number 61, metal, radioactive.
Who is promethium?
Promethium is a chemical element, atomic number 61.
What is the only synthetic element in the lanthanide series?
Promethium, Pm, atomic number 61
How many protons does promethium contain?
It has 61 protons. The atomic number of an element is the also the number of protons of the element. Hope this helps. :D
What element is 105?
Element #105 is called Dubnium.
Pm is the chemical symbol for what?
Promethium is a chemical element with the symbol Pm and atomic number 61
What is the half-life of the chemical element Livermorium?
the longest-lived isotope has lived just 61 ms.
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 element hc?
There is no element called Hc
