Resonance Structures

How has your IB year been so far? Whichever way your teacher(s) has chosen to deliver the deliver the course, chances are that round about now you will be covering the bonding part of the course (section 4). Bonds are formed from electrons and section 4.3 deals with covalent bonds. In covalent bonds, pairs of electrons are shared between atoms. As a rule of thumb, a covalent bond is formed between two non-metals sharing electrons. We can represent the bonds through diagrams ...

Alternative rules for writing up Chem labs

If you do follow these rules ....Don't submit your lab report for marking or assessment! If an experiment works, something has gone wrong. First draw your curves, then plot your data. To do a lab really well, have your report done well in advance. Teamwork is essential, it allows you to blame someone else. No experiment is a complete failure. At least it can serve as a negative example. Any delicate and expensive piece of glassware will break before any ...