Tantalum

Element Poster

Periodic table

- in the transition metals

- group: 5

Periodic Table Information

atomic number - 73

mass - 180.94

number of protons - 73

neutrons - 108

electrons - 73

symbol - Ta

physical properties: Uses & characteristics

Tantalum is rare , shiny , gray , ductile and a good conductor of heat and electricity

date it was discovered? where was it discovered? by who?

1802

Ytterby , Sweden

Anders Gustav Ekenberg

facts

  • tantalum has the third highest melting point of any element
  • it is strong and resist corrosion by many acids
  • tantalum has 2 isotopes one is unstable