What do you know about these different substances? Sodium, Lithium, Calcium, magnesuim, potassium, rubidium, soduim cholride, lithium chloride, potassium chloride.

Idon’t know how to solve this question

Which statement is best described as a atom

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