<< Chapter < Page | Chapter >> Page > |
Card 22 / 27:
rare earth element
collection of 17 elements including the lanthanides, scandium, and yttrium that often occur together and have similar chemical properties, making separation difficult
Previous Card | ← Previous Card Button |
Next Card | → Next Card Button |
Flip Card | ↑ / ↓ / Return / Space |
Notification Switch
Would you like to follow the 'Chemistry' conversation and receive update notifications?