pigs and farts
Radioactive isotopes.
Different numbers of neutrons, e.g. deuterium and tritium are isotopes of hydrogen.
It is called a radioisotope.
Polonium-210 is an example of a radioisotope that emits alpha particles.
A way to estimate a fossil's age by analyzing the elemental isotopes within the rock it's in.
mass number
The same numbers of protons and of electrons; the difference between isotopes is in the number of neutrons.
scientists Can tell the difference between two isotopes of the same element because, isotopes of the same elements always have the same number of protons.
It isn't really an ELEMENT that is unstable, but an ISOTOPE. That means that in general, for the same element, some atoms will decay, and some will not - the difference being the number of neutrons in the nucleus.
Radioisotope and radionuclide are often used interchangeably, but there is a subtle difference. A radioisotope is a type of isotope that emits radiation, while a radionuclide is an atomic nucleus that is unstable and emits radiation. In essence, all radioisotopes are radionuclides, but not all radionuclides are necessarily radioisotopes.
No. The only difference between 2 isotopes of the same element is the number of neutrons.
The half-life of a radioisotope is the time it takes for half of the radioactive nuclei in a sample to decay. It is a characteristic property of each radioisotope and determines the rate at which the isotopes decay.