> wiki


KidzSearch Safe Wikipedia for Kids.
Jump to: navigation, search

Carbon-12 is an isotope of carbon. It is the most common isotope of carbon, as 98.89% of all carbon is this type of carbon. It is one of two stable (non-radioactive) isotopes, It can be written 12C.

Carbon-12 is important in chemistry as it is the benchmark where all other atomic masses are worked out. Its atomic mass is exactly 12.