What is Samarium Samarium (pronunciation seh-MER-ee-em [2]), represented by the chemical... 

What is Praseodymium Praseodymium (pronunciation pra-see-oh-DIM-ee-em [2]), represented... 

What is Cadmium Cadmium (pronounced as KAD-mee-əm) is a naturally-occurring shiny... 

What is Cesium Cesium (pronounced as SEE-zee-em), sometimes spelled as caesium, is... 

What is Barium Belonging to the family of alkaline earth metals, barium (pronounced... 

What is Gadolinium Gadolinium (pronounced as GAD-oh-LIN-ee-em) is a soft metal belonging... 

What is Rhodium Rhodium (pronunciation RO-dee-em [2]), represented by the chemical... 

What is Cerium Cerium (pronunciation: SER-ee-em) is a soft, grayish metal that belongs... 

What is Lanthanum Lanthanum (pronunciation: LAN-the-nem) [3] is a soft, silvery rare-earth... 

What is Nihonium Nihonium (pronunciation nee-hone-ee-em [2]), represented by the...