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31-07-2017
Physics

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The rare earth elements include

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jalynneramos20 jalynneramos20

31-07-2017

Sc (21) , Y (39) , La (57) , Ce (58) , Pr (59) , Nd (60) , Pm (61) , Sm (62) , Eu (63) , Gd (64) , Tb (65) , etc (hoped that helped)

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