Back Tegnesium Afrikaans ቴክኔቲየም Amharic Tecnecio AN تكنيشيوم Arabic طيكنيتيوم ARY تكنيشيوم ARZ Tecneciu AST Tcetiel AVK Texnesium Azerbaijani Технеций Bashkir
Technetium is a radioactive chemical element that has the chemical symbol Tc and has the atomic number 43. It is the lightest synthetic element.