Pre-discussion knowledge check

1.       Where are the transition elements located in the periodic table?

1.       Why are the elements from 3 -12 called transition elements?

1.       What is the electronic configuration?

1.       What do you think is the variable oxidation state?

1.       Why do transition elements exhibit variable oxidation states?

1.       What is flux?

What do you understand by the process called leaching?

1.       What is electropositive?