+Actinides are a series of 15 metallic [chemical elements](/wiki/Chemical_Element), from actinium through lawrencium, found below the main [Periodic Table](/wiki/Periodic_Table). These heavy, silvery-white metals are all radioactive, with many being synthetic and vital for nuclear science.
+## See also
+- [Radioactivity](/wiki/Radioactivity)
+- [Lanthanide](/wiki/Lanthanide)
+- [Nuclear Energy](/wiki/Nuclear_Energy)
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