A rare nonmetallic element found in certain minerals, astantalite, samarskite, and fergusonite, and isolated as a dark powderwhich becomes steel-gray by burnishing. Symbol Ta. Atomic weight182.0. Formerly called also tantalium.

]]>https://definedictionarymeaning.com/topic/13055/tantalumRSS for NodeThu, 09 Jul 2026 17:02:18 GMTTue, 21 Mar 2017 19:36:56 GMT60Tantalum is the seventy-third element on the periodic table with a symbol of Ta, and an atomic mass of 180.94788 u ± 0.00002 u. Tantalum was discovered in 1802 by Swedish chemist Anders Gustaf Ekeberg, and is now used in many modern day appliances such as capacitors, and dental surgical instruments.

]]>https://definedictionarymeaning.com/post/50695https://definedictionarymeaning.com/post/50695Fri, 20 Aug 2021 17:34:02 GMT