In general, how does the shape of the periodic table relate to electron configuration?

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Why do cells appear different in distilled water than they do in 10% salt water?

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.