What's the density of an element if a sample has a mass of 43.2 g and a volume of 96.5 ml. (0.45 g/ml)

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

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?