The procedure of rare-earth (RE) element purification includes three steps. On each of these steps one forth of (RE) element mass is lost. What is % recovery of RE element. A) 8.0%
B)25%
C) 75%
D)42%

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.