Can someone tell me if I'm right

Label a-f based on the table using c for concentrated and d for dilute

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Tell me the iupac name of the following compounds: