2020 US National Chemistry Olympiad

Started by trienebutdiene | Last post by trienebutdiene June 23, 2019, 11:00:06 AM

Electro-chemistry

Started by Science geek | Last post by Science geek July 16, 2015, 12:45:48 PM

Olympiad-style university problems

Started by Big-Daddy | Last post by Big-Daddy September 14, 2013, 09:33:24 PM

Practice problem 2

Started by discodermolide | Last post by discodermolide April 23, 2014, 10:36:53 PM

Chemical formula of tooth erosion

Started by Dihiya | Last post by Dihiya May 09, 2021, 04:10:28 AM

The first problem

Started by Radu | Last post by Rutherford March 25, 2014, 04:06:02 PM

How can I find Taiwan Chemistry Olympiad past papers?

Started by Ev3r3sT | Last post by Ev3r3sT July 02, 2019, 01:00:41 PM

Latin American Chemistry Competition (2nd edition)

Started by nicomanno | Last post by nicomanno February 16, 2021, 06:29:20 PM

Fast method to determine if a compound is polar or non polar

Started by kooryan | Last post by Fish200398 January 24, 2020, 10:51:04 AM

National Chemistry Olympiad

Started by Bolt0612 | Last post by sjb March 12, 2019, 03:04:35 AM

d orbital splitting

Started by bluebunny2020 | Last post by bluebunny2020 March 09, 2020, 03:55:59 PM

Russian Olympiad Translation

Started by southernstars | Last post by AWK January 31, 2019, 03:28:14 AM

Train

Started by henlo | Last post by Borek March 05, 2019, 06:37:21 PM

Contest problem I don't know how to solve. I'm exercising for a contest.

Started by antonioro00071 | Last post by antonioro00071 April 03, 2024, 07:36:00 AM