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Why don't anions produce colours in flame tests?
Started by gbrasier | Last post by Astrokel June 17, 2009, 09:53:32 AM |
1 Replies
6062 Views |
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Why don't electrons stay in the same energy level
Started by Yusuf72 | Last post by Enthalpy December 15, 2016, 01:55:03 PM |
4 Replies
2599 Views |
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Why don't NaCl crystals attract one another?
Started by Decessus00 | Last post by Borek April 09, 2009, 10:12:18 AM |
3 Replies
4440 Views |
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why fan melts i ce faster
Started by jack1234 | Last post by IITian December 23, 2007, 07:32:35 AM |
3 Replies
5304 Views |
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Why Fluorine mass is 18.99, not 19 exactly?
Started by kciray | Last post by AdiDex January 05, 2016, 03:19:26 AM |
7 Replies
4630 Views |
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Why gold is able to counter allergies to nickel.
Started by SimoneMeyer | Last post by SimoneMeyer August 24, 2009, 05:50:04 PM |
6 Replies
4259 Views |
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why H has a smaller atomic radius than He
Started by alexanda | Last post by alexanda August 11, 2014, 10:19:07 PM |
2 Replies
3545 Views |
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Why H3O+ = H+??
Started by Wil" | Last post by shelanachium November 08, 2007, 02:47:28 AM |
2 Replies
38691 Views |
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Why heat of combustion differs for alkanes, alkenes, alcohols and cycloalkanes?
Started by ds | Last post by cliverlong May 21, 2010, 09:48:28 AM |
1 Replies
11216 Views |
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Why heat oxalic acid?
Started by Johnny Mac | Last post by jm1zz August 14, 2007, 06:44:55 AM |
6 Replies
19334 Views |
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Why HF (hydrogen fluoride) is not soluble in water?
Started by Ahmed Abdullah | Last post by wilson March 03, 2007, 10:40:18 AM |
4 Replies
23719 Views |
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Why in the equation E=v/d E units are coulomb
Started by darkwizard267787 | Last post by mjc123 October 28, 2022, 03:06:53 PM |
3 Replies
1801 Views |
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Why iron looses 2 or three electrons to formss Fe2+ and Fe3+?
Started by Alok | Last post by Alok July 12, 2007, 01:50:50 AM |
5 Replies
23155 Views |
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why is (NH4)2HPO4 used in the gravimetric analysis of magnesium?
Started by ajax0604 | Last post by Borek January 10, 2014, 07:57:25 AM |
1 Replies
1737 Views |
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Why is +3 Chromium's (Cr) "favorite" oxidation number???
Started by danland | Last post by Morphic flip October 12, 2006, 12:53:23 PM |
1 Replies
3441 Views |
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