book for chemistry Olympiad

Started by lhpVietNam | Last post by lhpVietNam October 30, 2016, 03:22:05 PM

Find Empirical Formula from Unit Cell

Started by vanderwaals | Last post by vanderwaals September 13, 2016, 05:42:54 PM

Olympiad preparation summer camp

Started by flybird | Last post by Vidya September 12, 2016, 11:15:43 PM

2015 Olympiad Questions

Started by stmoney | Last post by Vidya September 11, 2016, 11:54:15 PM

source of inorganic chemistry problems?

Started by LemonCake | Last post by Vidya September 11, 2016, 11:44:04 PM

Iodine USNCO Problem

Started by vanderwaals | Last post by Borek September 10, 2016, 02:59:31 AM

{Reissert compounds}

Started by zhangtianzong « 1 2 » | Last post by Rutherford March 12, 2016, 03:29:03 AM

Solubility - Complex ion equilibrium problem

Started by nefsicle | Last post by AWK March 10, 2016, 04:00:12 AM

Olympiad preparation

Started by T | Last post by T March 07, 2016, 02:57:33 AM

Biochemistry in Olympiads

Started by ArcHos | Last post by Vidya March 01, 2016, 07:17:15 AM

who we are? *delete me*

Started by Jose Luis Mg | Last post by Arkcon February 21, 2016, 06:43:35 AM

USNCO National Exam 2003 problem 43

Started by cjby69 | Last post by cjby69 January 10, 2016, 05:18:59 PM

Chemistry competitions

Started by T | Last post by Vidya December 04, 2015, 12:51:09 AM

Finding the element

Started by T | Last post by T July 24, 2015, 03:30:44 AM

Oxidation of iron(2) sulfate- heptahydrate

Started by Science geek | Last post by Arkcon July 23, 2015, 10:08:32 AM