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Well worth a small donation, this has to be one of the nicest periodic tables I have ever seen or used.

You can download your copy here >> http://www.freshney.org/index2.htm
 
Gustavus, that's a great link, thanks.

Also on that site is a really nice download called Earth's Core. This would be a great resource for all the rock and mineral hunters out there.

Hey Rock Man, check it out, and let us know what you think.

Gorfman
 
Shall do.

I downloaded it already, just have not installed it so that I could look at it.
It seemed good enough for me to be interested.

I will check it out, and give it a review.
I know this much so far,
It is the only program of this nature that I have ever saw,
and if it is for College, and University use, as it says,
It will be of use and interest, to me, and others as well.

Sincerely; Rick. "The Rock Man".
 
It is worth Downloading.
It is a good start for those who would like to read up on Minerals, and the environments/rock types that they form in.
I have a lot more reading to do before I can give a thorough review, but so far, it is a good find.

Sincerely; Rick. "The Rock Man".
 
I tried to download the periodic chart, but evidently it is no loger there. Does anybody have it in a form they could send to the forum so others could also download it again?

Many thanks,
Bert
 
bswartzwelder said:
I tried to download the periodic chart, but evidently it is no loger there. Does anybody have it in a form they could send to the forum so others could also download it again?

Many thanks,
Bert
Click to expand...

Apparently you navigated to an expired daughter page, everything your looking for is still available from the home page
http://www.freshney.org/
 
Phil,
That should be like this http://www.ptable.com/ someone must have copy and pasted it.

Maybe another useful one: http://www.tcforensic.com.au/docs/article10.html#2.1.2

And this one someone else had posted: http://www.saltlakemetals.com/SWCalcAu.htm

One more: http://www.dendritics.com/scales/mck.asp?WeightU=3000&Units=g&Metal=Ag&PurityC=.925&Purity=0.925&PrOzt=&Markup=0 this one is up somewhere else too.
 
lunar-tech said:
Why does cobalt have a higher atomic weight than nickel?
Click to expand...

In nature, nickel is made up of one stable isotope, Co59, whereas nickel has 5 stable isotopes, Ni58, Ni60, Ni61, Ni62, and Ni64, with about 68% being Ni58. The atomic weight of nickel is a combination of these 5 isotopes and their various percentages, whereas the AW of cobalt is based only on the one isotope. Therefore, 2/3 of the nickel atoms in nature are made up of of an isotope with fewer protons + neutrons (58) than the the one cobalt isotope (59). The end result is that, even though it has more protons than cobalt (28 vs 27) and thus a higher atomic number, the average mass of the 5 nickel isotopes in nature is less than that of the one cobalt isotope.
 
Thankyou Goldsilverpro,
So the nickel on periodic table has less neutrons than cobalt and this is why it is lighter? I am a beginner in chemistry am I thinking correctly?
 
lunar-tech said:
Thankyou Goldsilverpro,
So the nickel on periodic table has less neutrons than cobalt and this is why it is lighter? I am a beginner in chemistry am I thinking correctly?
Click to expand...

On average, of the 5 stable Ni isotopes, that is true.

About 1/4 of the way down on these 2 wikipedia links on the right side, it lists the stable isotopes.
http://en.wikipedia.org/wiki/Nickel
http://en.wikipedia.org/wiki/Cobalt
 
Can you recomend any books that will give me complete understanding but beginning at a foundation level, I have a few but they do not cover everything and do not give cater for the very basics. Thankyou for your time.
 
It's all in the math. This link makes it pretty simple. For more discussion, I would go to an elementary physics book. Chemistry books mainly deal with the electron structure and not much with the nucleus.
http://www.wikihow.com/Calculate-Atomic-Mass

Here's a bunch more
https://www.google.com/search?q=calculate+atomic+mass&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:eek:fficial&client=firefox-a
 
Thankyou for your help, I will pursue this further and I will start with math. I have a working knowledge of science but with many gaps. I am looking to start over go back to square one. Its not the quarks,protons or elements that I have trouble with its the math.
 

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