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Elements with Equal Protons and Neutrons
Can you name every element with an equal number of protons and neutrons?
Based on atomic mass, rounded to the nearest whole number
Stable isotopes only
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Last updated: December 21, 2022
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| First submitted | December 21, 2022 |
| Times taken | 6 |
| Average score | 88.9% | Report this quiz | Report |
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