Can you name the elements in the periodic table containing 'ER'?
- Answers do not have to be guessed in order
- Source: List of Elements
- The letters must be consecutive and in order. Current names (after 2013) are used.
- Also try: Engineering Grand Challenges
- This quiz has not been verified by Sporcle
P'er'iodic table Quiz
- Created Mar 1, 2011 in Science
- Game Plays 216
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