Use the periodic table to determine how many
atoms of phosphorus (P) are in a sample that has
a mass of 172.90 g.

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

hope this

d.) circle motion requires a force to give it a centripetal acceleration.

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying