Lithium · Beryllium · Sodium ; Sodium · Magnesium · Potassium ; Potassium · Calcium · Rubidium ; Rubidium · Strontium ; Caesium · Barium · Lanthanum ... |
The 15 elements, together with their chemical symbols, are lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), ... |
Lanthanides · Lanthanum (La (Group 3 in class. · Cerium (Ce) (58) (Lanthanide under both class. · Praseodymium (Pr) (59) (Lanthanide under both class. |
28 апр. 2024 г. · Although lanthanoids, scandium, Sc, and yttrium, Y, are sometimes called rare earth elements, they are relatively abundant in the earth's crust. |
The lanthanide of elements consists of fifteen metallic chemical elements, which, along with scandium and yttrium, are known as the rare earth elements. |
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