Which of the following isotopes has the same number of neutrons as phosphorus-31?

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

Element before carbon on the periodic table