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What is Promethium's atomic number?

Promethium

61 is the atomic number of Promethium.

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What is the atomic number (the number of protons found in an atom) of the element promethium, the chemical element with the symbol Pm and atomic number 61?

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External web pages (using standard web search):

Atomic number - Wikipedia, the free encyclopedia

In chemistry and physics, the atomic number (also known as the proton number) is the number of protons found in the nucleus of an atom and therefore identical to the charge ...

http://en.wikipedia.org/wiki/Atomic_number

What is promethium's family number

What is promethium's family number? ... Promethium is one of the lanthanoids, atomic number 61, period 6.

http://wiki.answers.com/Q/What_is_promethium%27s_family_number

Atom - Wikipedia, the free encyclopedia

While isotopes with atomic numbers higher than lead (82) are known to be radioactive, an "island of stability" has been proposed for some elements with atomic numbers above 103.

http://en.wikipedia.org/wiki/Atom

What Are Atomic Number and Atomic Weight?

DOE Openness: Human Radiation Experiments: Roadmap to the Project ACHRE Report

http://www.hss.energy.gov/HealthSafety/ohre/roadmap/achre/intro_9_3.html

What is the atomic number and what does it tell you about the ...

What is the atomic number and what does it tell you about the number of protons in an atom?

http://wiki.answers.com/Q/What_is_the_atomic_number_and_what_does_it_tel...