As of 2014, there are 15 isotopes of carbon. They are C-8 through C-22. Only C-12 and C-13 are stable, while the other isotopes are radioactive, and of these, only C-14 is found in nature.Continue Reading
C-14 is famous for its use in carbon dating and has a half-life of 5,700 years. This means after 5,700 years, half of the carbon will have decayed into nitrogen-14.
C-11 is the most stable of the man-made isotopes, with a half-life of a little over 20 minutes. The other radioisotopes have half-lives that last for seconds or fractions of seconds. C-13 is used in research and medicine, and C-12 is used to establish the atomic weight of other isotopes.Learn more about Atoms & Molecules
The element hydrogen has three different isotopes: protium, deuterium, and tritium. Each isotope has one proton but different numbers of neutrons. A protium nucleus has zero neutrons, a deuterium nucleus has one neutron and a tritium nucleus has two neutrons.Full Answer >
It is possible to tell isotopes of an element apart by looking at their mass numbers. Because each isotope of an element has a different number of neutrons, each mass number is slightly different.Full Answer >
Atomic mass is a measure of the mass of a single atom of a single isotope of an element when it is at rest, while atomic weight is a somewhat more complicated measurement that takes into account the relative abundance of different isotopes. Many people use the terms "atomic mass" and "atomic weight" interchangeably, and for most purposes they are the same, but this is imprecise.Full Answer >
The difference between atoms, ions and isotopes is the number of subatomic particles. An atom is the basic building block of matter, the smallest molecule of an element that exists and that cannot be chemically divided by ordinary means. Each atom is comprised of protons, neutrons and electrons. In ions, the number of electrons differs, and in isotopes, the number of neutrons varies.Full Answer >