What is true about radioactive isotopes of an atom? They are less stable.

They are more abundant.

They are more scarce.

They are more stable.

Different isotopes of the same element have the same number of protons in their atomic nuclei but differing numbers of neutrons. Radioisotopes are radioactive isotopes of an element. They can also be defined as atoms that contain an unstable combination of neutrons and protons, or excess energy in their nucleus.

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger

you can have just about every answer you can think of