Does lanthanum damage the environment in any way?

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

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.