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Atomic Number 19

a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite.


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DUMAS METHOD OF DETERMINING MOLAR MASS OF A VOLATILE LIQUID

... chemistry wrong. Those carbon compounds are tricky. You're not forming atomic oxygen (O), however; it's molecular (O2) oxygen, also called diatomic oxygen. This is important since any calculation of the number of moles of gas will reflect the amount of molecular oxygen, which is ...

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by alextemplet
Wed Oct 22, 2008 6:13 pm
 
Forum: General Discussion
Topic: DUMAS METHOD OF DETERMINING MOLAR MASS OF A VOLATILE LIQUID
Replies: 11
Views: 4058

help....

... of an oxygen atom (Be sure to include the location, charge, and number of subatomic particles). f. A nitrogen atom has 7 protons, and the most common isotope of nitrogen ...

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by iheartremmy15
Sun Sep 14, 2008 6:29 pm
 
Forum: General Discussion
Topic: help....
Replies: 1
Views: 619

Evolution - Natural Selection FLAWED?

... control mechanisms. In other words, animals controlled their numbers not by fierce competition, as Darwin suggested, but by limiting reproduction.8 ... comments on the report prepared by the Committee on Genetic Effects of Atomic Radiation, which had been formed to investigate mutations that might ...

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by Thermopylae
Sun Feb 18, 2007 3:52 pm
 
Forum: Evolution
Topic: Evolution - Natural Selection FLAWED?
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The Fiber Disease

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by Nadas Moksha
Sat Dec 09, 2006 1:23 am
 
Forum: Human Biology
Topic: The Fiber Disease
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The Fiber Disease

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by msc
Sun Dec 03, 2006 12:46 am
 
Forum: Human Biology
Topic: The Fiber Disease
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