Input interpretation
rare earth metals | electron shell configuration
Table
scandium | 2 | 8 | 9 | 2 yttrium | 2 | 8 | 18 | 9 | 2 lanthanum | 2 | 8 | 18 | 18 | 9 | 2 cerium | 2 | 8 | 18 | 19 | 9 | 2 praseodymium | 2 | 8 | 18 | 21 | 8 | 2 neodymium | 2 | 8 | 18 | 22 | 8 | 2 promethium | 2 | 8 | 18 | 23 | 8 | 2 samarium | 2 | 8 | 18 | 24 | 8 | 2 europium | 2 | 8 | 18 | 25 | 8 | 2 gadolinium | 2 | 8 | 18 | 25 | 9 | 2 terbium | 2 | 8 | 18 | 27 | 8 | 2 dysprosium | 2 | 8 | 18 | 28 | 8 | 2 holmium | 2 | 8 | 18 | 29 | 8 | 2 erbium | 2 | 8 | 18 | 30 | 8 | 2 thulium | 2 | 8 | 18 | 31 | 8 | 2 ytterbium | 2 | 8 | 18 | 32 | 8 | 2 lutetium | 2 | 8 | 18 | 32 | 9 | 2