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OpenStudy (anonymous):

I have test tomorrow please help me out i am confused with few questions . The first member of lanthanide series A) lanthanium B) cerium C) lutetenium D) lawrencium

OpenStudy (anonymous):

look at the periodic table: http://b68389.medialib.glogster.com/media/23567e1d917a60cd3bccfcc73ac44f5a3e657f14283745f52333be1ce7781141/periodic-table-of-elements.jpg you can see that the first member is??

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