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InThinking is a great organisation. I got my first category training with them and it was one extremely useful to my teaching. In addition, the website is highly in line with the training and the IB curriculum and also very helpful. It is such a blessing...

Dina Sonbol, American International School in Egypt, Egypt

This is my first year of full-time teaching, and I would not have survived so far without the vast pool of resources available on the InThinking Chemistry site. From teacher prep notes to lab suggestions to last-minute homework assignments to understandings...

Rebecca Weber, International Academy of Macomb, USA

The InThinking Chemistry website by Geoffrey Neuss is a valuable resource. The presentations are useful and supplement my course textbook by giving students tasks throughout to check their understanding. The topic introductions provide points of interest...

Nick Pinkerton, Tamagawa Academy K-12 & University, Japan


Chemistry question bank now live

19 October 2017

The Chemistry question bank (qBank) is now up and running on this site.Information on how to access it can be found in Using student access.... more

How precious metals were first formed

17 October 2017

In the week when the price of the precious metal palladium reached $1000 per ounce it was interesting to see that the problem as to how precious... more

"Diamonds Are Forever"

2 August 2017

Chemistry sometimes takes some strange twists and turns. Recently I learned of a rather bizarre connection between the part of sub-topic 4.3... more

Subscriber comments

  • 20 Nov Dan Dubay
    Thanks Geoff. I gave that very point of view to my colleague today. I am still a Chemistry teaching novice though and your work goes a long way in helping my students succeed. Both of you resources are great- here on InThinking and then with...
  • 20 Nov Geoffrey Neuss
    Hi Dan, Thanks for this. I very much agree with two of the points you make. There is now much more material that is specifically targeted to the current four options for students to be able to teach themselves (thanks for the link to your videos!)....
  • 20 Nov Dan Dubay
    Hi Geoff, I don't dispute your observation about the1 teacher taught option. I got that advice from the Bio OCC moderator 4 years ago and many veteran Group 4 teachers. However, I have to say that it probably depends on the school. The teacher...
  • 20 Nov Geoffrey Neuss
    Electrons in atoms
    Hello Sigrid, In the old programme some definitions were actually listed in the syllabus (under Objective 1) and were asked as such in exams. The new programme does not actually list or ask for definitions, even so, I think students should...
  • 20 Nov Sigrid Hahn
    Electrons in atoms
    Hi Geoffrey, just one small item that caught my attention: in former exams Students were punished for not using the 'molar' definition of the ionisation enthalpy. Has this been changed now?
  • Hello Chris, CH3NH2 is known as methylamine, methanamine or aminomethane. As I understand it. it seems generally the case that for when C is 1, 2 or 3 the names methylamine, ethylamine and propylamine are still the preferred IUPAC names whereas...
  • 20 Nov Christopher Holbrook
    Organic fundamentals questions (1)
    Hello Geoff Q2(d). Isn't methanamine the name the IB now uses? Do you think they will still use the old names in exams (aminomethane is another version).
  • 20 Nov Geoffrey Neuss
    2. Atomic structure
    Hello David, The higher the charge but the lighter the mass the more it will be deflected, so the answer is C.
  • 20 Nov Shweta Jain
    Determining Ea for a reaction
    Thank you for your response!
  • 20 Nov David Gunputh
    2. Atomic structure
    Hi Geoff, Re:Q 14- Should the answer be D as it has the highest mass and charge?
  • Hi Cindy, Because it is a temperature rise, not the actual temperature, and a temperature rise of 14 K is the same as a temperature rise of 14 oC.
  • Hi. Why is B the answer for #6 when the specific heat capacity units are in K but the answer uses 14 C instead of 287K? thanks


Chemistry for the IB Diploma (Oxford IB)

The new edition of the Study Guide (which has sold over 150,000 copies) by Geoffrey Neuss for first exams in 2016.

more info