Rare earth element
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AnswerCrossword Clue
ERBIUMRare-earth element.
SCANDIUMRare earth element
CERIUMRare-earth element
YTTRIUMRare-earth element.
lanthanidea rare-earth element
CERIUMElement of rare-earth group.
lanthanidesLANTHANIDE, a rare-earth element
promethiuma radioactive rare-earth element also PROMETHEUM
promethiumsPROMETHIUM, a radioactive rare-earth element also PROMETHEUM
SCANDIUMRare-earth element named after where it was discovered
terbiumsa metallic element of the rare-earth group see element table
luteciumtrivalent rare-earth element. Symbol: Lu; at. wt.: 174.97; at. no.: 71
lutetiumtrivalent rare-earth element. Symbol: Lu; at. wt.: 174.97; at. no.: 71
lanthanumThe chemical element of atomic number 57, a silvery-white rare earth metal
lanthanuma rare element of the group of the earth metals, allied to aluminium
lanthanumsLANTHANUM, a rare element of the group of the earth metals, allied to aluminium
erbiumrare-earth metallic element, having pink salts. Symbol: Er; at. wt.: 167.26; at. no.: 68
erbiumsrare-earth metallic element, having pink salts. Symbol: Er; at. wt.: 167.26; at. no.: 68
holmiumrare-earth, trivalent element found in gadolinite. Symbol: Ho; at. wt.: 164.930; at. no.: 67
europiumrare-earth metallic element whose salts are light pink. Symbol: Eu; at. wt.: 151.96; at. no.: 63
holmiumsa metallic element of the rare-earth group that forms highly magnetic compounds and is obtained especially from monazite see element table
holmiuma metallic element of the rare-earth group that forms highly magnetic compounds and is obtained especially from monazite see element table
ceriumsteel-gray, ductile metallic element of the rare-earth group found only in combination. Symbol: Ce; at. wt.: 140.12; at. no.: 58
ceriumssteel-gray, ductile metallic element of the rare-earth group found only in combination. Symbol: Ce; at. wt.: 140.12; at. no.: 58
thuliumsrare-earth metallic element found in the minerals euxenite, gadolinite, etc. Symbol: Tm; at. wt.: 168.934; at. no.: 69; sp. gr.: 9.32
thuliumrare-earth metallic element found in the minerals euxenite, gadolinite, etc. Symbol: Tm; at. wt.: 168.934; at. no.: 69; sp. gr.: 9.32
terbicrare-earth, metallic element present in certain minerals and yielding colorless salts. Symbol: Tb; at. no.: 65; at. wt.: 158.924; sp. gr.: 8.25
didymiumA mixture containing the rare earth elements praseodymium and neodymium, used to color glass for optical filters. It was originally regarded as a single element
terbiumrare-earth, metallic element present in certain minerals and yielding colorless salts. Symbol: Tb; at. no.: 65; at. wt.: 158.924; sp. gr.: 8.25
praseodymiumrare-earth, metallic, trivalent element, named from its green salts. Symbol: Pr; at. wt.: 140.91; at. no.: 59; sp. gr.: 6.77 at 20┬░C
yttriumsa metallic element usually included in the rare-earth group that occurs usually with other rare earth elements in minerals and is used especially in phosphors, YAG lasers, and superalloys see element table