Which of the following types of substance will usually be soluble in water? Select only the correct answers, selecting others will result in a reduced mark. 

How many sulfur atoms are in the structure of the blue food dye Brilliant Blue 133?

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

Which label, a) to e) points to the region where nuclei-nuclei repulsion is dominating the interaction energy?

A triple-bond always consists of what?

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

Which label, a) to e) points to the region where the attraction between the nuclei and electrons is dominating the interaction?

Represented is what type of bond?

Which one of the following statements is true?

How many atomic orbitals have the principal quantum number n = 3?

What type(s) of atomic orbitals are pictured below?

What is the maximum number of electrons that can be accommodated, in total, for all of the 3p orbitals?