Science Quiz / Elements by half-life

Random Science or Physics Quiz

Can you name the Elements by their half-life?

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Score 0/10 Timer 04:00
Half lifeElementRelative atomic mass
21.7 Minutes223
8.1 Hours210
4.12 Million years98
19 Billion Billion Years!209
138.4 Days210
0.00089 Seconds294
4.47 Billion years238
14.06 Billion years232
3.8 Days222
13.1 Hours265

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