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Chemistry (New Syllabus)
IB DP Category 2
Berlin, Germany, 23 - 25 August 2024
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Chemistry (New Syllabus)
IB DP Category 1
Online (IB Approved), 25 - 27 October 2024
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Recommendations
This website has certainly encouraged me and my students to think CRITICALLY about chemistry. I genuinely enjoy reading Pause for Thought and try my best to embed some thought-provoking questions in every lesson. I have been inspired by your articles...
SunKyung Lee
Beijing Dulwich International School (China)
Quote of the day
We are apt to think we know what time is because we can measure it, but no sooner do we reflect upon it that illusion goes. So it appears that the range of the measurable is not the range of the knowable. There are things we can measure, like time, but yet our minds do not grasp their meaning. There are things we cannot measure, like happiness or pain, and yet their meaning is perfectly clear to us.
Robert Morrison MacIver, 1882-1970
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A useful chromatography resource from the RSC
The Royal Society of Chemistry has just published a useful resource for students that covers chromatography for the 16-18 year age group. It...
Progress in carbon capture?
This blog looks at a promising recent development which could lead to capturing carbon dioxide emissions from the combustion of fossil fuels...
Subscriber commentsSee all
- Geoff, (not Richard!) I fear I am becoming more like my parents everyday, mixing up names of people that I clearly should not mix up....The Richard Thornley videos above must have confused me. John
- Hi John, You make a valid point (to Richard?) about HF and BF3 - although fluorine with an electronegativity value of 4 is always a problem with the ~ 1.8 rule of thumb - but I'm still not convinced that triangular bonding...
- Hello Omar, I'm a chemist, not a physicist, and the question is hypothetical as absolute zero can never be reached. As I understand it particles at absolute zero would not possess translational or vibrational kinetic energy. All particles...
- Richard,Interesting points in the Pause for Thought. The lead chloride examples are particularly interesting. I do find the Triangle most useful for compounds involving Fluorine. If you use the delta EN> 1.8 rule, then students...