2. •Anders Gustaf Ekeberg.
• Discovered in 1820.
• Maximum oxidation state on group 5.
• Hard, heavy and malleable.
• Transition metal.
• Greyish blue.
3. • Metal shine.
• Corrosion resistant.
• High fusion point.
• Good electrical and heat conductor.
• Resistant at acids attacks.
• Dissolution “ácido fluorhídrico”
“fusión alcalina”
4. • Tántalo Zeus’ son and Niobe’s father.
• Related to resistant at acids.
5. • Fabrication of electrolytic condenser.
• Essential component of compact and electronic
dispositive.
• Cause of change in chemist reactions.
• It’s extracted from tantalite.
80% of global
reserves.
• It appeares mixed with “columbita” “coltan”
6. IMPORTANCE OF RECYCLE:
• Important conductor.
• Located principally in Africa (Congo).
• It cause lot of exploitation.
• Getting 1 kilo 2/3 deaths Bad work conditions.
800 €
