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Extremely Hard Science Quiz Even Einstein would scratch his head!
Electron configuration was first conceived by which model?
What do solar panels contain?
What is the term for a molecule with both a positive and a negative charge?
Which plant is orbited by the moon of Proteus?
Which planet has the second largest moon in the Solar System?
The sea creature named 'Slippery Dick' is a what?
CO2 is the chemical formula for which gas?
Which planet takes 29 Earth years to orbit the Sun?
Janus is a moon of which planet?
How many types of sea urchin are there?
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