How do u do number two with mole ratios

Matches the chemical name of each oxide of phosphorus to its chemical formula

Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver