nonmetals
noble gases
metalloids
halogens
alkaline earth metals
post-transition metals
alkali metals
transition metals
lanthanoids
actinoids
52Cr | 51.940506 | 83.789% |
53Cr | 52.940648 | 9.501% |
50Cr | 49.946042 | 4.345% |
54Cr | 53.938879 | 2.365% |
The Greek 'chroma', meaning colour