The GHS pictogram shown is the flame symbol. What does this pictogram indicate?

Before using laboratory glassware you should:

Copper sulfate mixtures should be disposed of in the:

A mixture containing cyclohexane and propan-2-ol should be disposed of in the:

Solutions containing iodine should be disposed of in the:

Before commencing the experiment, which PPE is required?

Why are gloves recommended when handling iodine?

Consider the following sketch of the interaction energy for two atoms as a function of distance between the atoms.

Label e) refers to the point where the interaction energy is lowest and shows how the stable bond length is calculated.  At this point ____________

The two clouds of electrons in a π-bond (shown below) represent ____________