Can you name the elements in the periodic table containing 'ER'?
- Enter an element in the box below
- Correctly named elements will show up below
- 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
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