Which radioisotope requires long-term storage as the method of disposal, to protect living things from radiation exposure over time? Pu-239
FR-229
Fe-53
P-32

is a radioisotope that requires long-term storage as the method of disposal, to protect living things from radiation exposure over time

Explanation:

Radioisotopes refer to the atoms that comprise of protons and neutrons. Radioisotopes also contain energy in large quantities in their nucleus.

Radioisotopes have half-lives of less than ninety days.

is a radioisotope that requires long-term storage as the method of disposal, to protect living things from radiation exposure over time

heat or electricity in the atmosphere- c.

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.