Which atom in each pair has the larger atomic radius li or k?

What is the mass of 8 moles of sodium atoms

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d