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The Chemical Elements Website

james t kirk

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Aug 17, 2001
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Interesting about Helium - that there is a limited supply of it.

Nice doo on that guy, check him out in Cadmium as well as the doo is a little less frightening.
 

danmand

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Nov 28, 2003
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Thank you so much. Excellent website. When I was young I had to learn the
first 94 elements and their placement in the table by heart, except only the rare earth minerals.

We used Bohr's original graphical representation, which to me still is more
descriptive and "natural":

http://www070.thinkquest.dk/Det periodiske system.htm
 

kbluejayk

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An interesting alternative site, danmand! What language is that? I'll have to get a Google translation!
Yes, in school we had to learn a ton of stuff by heart, from maths to physics to history to literature! Nowadays the kids just use a calculator/computer!
 

danmand

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kbluejayk said:
An interesting alternative site, danmand! What language is that? I'll have to get a Google translation!
Yes, in school we had to learn a ton of stuff by heart, from maths to physics to history to literature! Nowadays the kids just use a calculator/computer!
It is danish. Bohr, who received the nobel prize, was a dane. When I was a student in Copenhagen, I went sometimes to the Niels Bohr Institute, which wa a small 2 story building on Blegdamsvej, where the famous "copenhagen school" of physicists had gathered before the second world war, and where both the atomic bomb and many advances in physics were conceived.

here is Bohr's original article in Nature 1921 where he describes the periodic system:

http://dbhs.wvusd.k12.ca.us/webdocs/Chem-History/Bohr-Nature-1921.html
 

shakenbake

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cancowboy2001

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shakenbake

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danmand said:
It is danish. Bohr, who received the nobel prize, was a dane. When I was a student in Copenhagen, I went sometimes to the Niels Bohr Institute, which wa a small 2 story building on Blegdamsvej, where the famous "copenhagen school" of physicists had gathered before the second world war, and where both the atomic bomb and many advances in physics were conceived.

here is Bohr's original article in Nature 1921 where he describes the periodic system:

http://dbhs.wvusd.k12.ca.us/webdocs/Chem-History/Bohr-Nature-1921.html
Bohr was one of the 20th century's greatest physicists. Wasn't his model, the Bohr model for the hydrogen atom, the seminal idea for all of modern material chemistry and physics as we know it today?
 

shakenbake

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cancowboy2001

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shakenbake said:
He would have a hard time keeping Francium for any significant time interval. ;)
Oops quoted the wrong stat in my haste.
Thanks
 

kbluejayk

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danmand said:
It is danish. Bohr, who received the nobel prize, was a dane. When I was a student in Copenhagen, I went sometimes to the Niels Bohr Institute, which wa a small 2 story building on Blegdamsvej, where the famous "copenhagen school" of physicists had gathered before the second world war, and where both the atomic bomb and many advances in physics were conceived.

here is Bohr's original article in Nature 1921 where he describes the periodic system:

http://dbhs.wvusd.k12.ca.us/webdocs/Chem-History/Bohr-Nature-1921.html
Thanks danmand. Appreciate the info. and a really interesting article.
The light elements Lithium and Beryllium were used in a series of experiments by Ernest Walton and John Cockcroft leading up to their successful splitting of the atom in 1932, (the feat that eventually led to the atom bomb and the Nuclear Age.) They both shared the Nobel Prize for Physics in 1951. I attended school with Walton’s son in Ireland and was amazed at his knowledge of all the elements. He was the ‘go to’ guy prior to exam time. Gee, if only we had had computers and websites back in those school days….

Thanks guys for all the other websites indicated.
 
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