MOF – 177 has such an unassuming name. What is it though? A star? They have odd names like this don’t they?
Well no, MOF – 177 is a crystal with a huge (I mean huge) surface area – 4500 m2 per gram. To put this into context ….
Triple A Learning IB Blogs
September 20, 2011
November 11, 2010
Conclusion and Evaluation Aspect 3
Today we look at the last IA criteria – Conclusion and Evaluation (CEv), aspect 3.
Recall that for CEv, apsect 2, the exerimental method is critically evaluated. For aspect 3, realistic improvements must be stated.
November 1, 2010
Design, aspect 3
Today we will focus on Design, Aspect 3.
In order to achieve a ‘c in this aspect, the student must write a detailed method. The emphasis is on the word detailed. The student should essentially be able to give another IB Chemist the method and they would be able to carry it out.
October 20, 2010
Improving Your IA Lab Reports
Over the next few days / weeks, we will focus on the various skill areas and aspects for the three internal assessment (IA) criteria, namely:
- Design
May 21, 2010
Europium (Eu) and the Moon
Europium is sort silver metal. It was discovered in Paris (hence the name) by Eugene – Anatole Demarcay in 1901. It is found in the rare earth metals or the Lanthanides.
Strangely, it is found in moon rock, in much higher amounts than expected. Moon rock also contains to 2+ ion, rather than the 3+ ion found on the Earth.
