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Extremely Hard Science Quiz Even Einstein would scratch his head!
How many electrons does carbon have in its outer shell?
Which of these is NOT true of helium?
Ananke moons can be found orbiting which planet?
What is the atomic number for magnesium?
The Barreleye fish is also known as what?
What is the oldest a seahorse can live?
Telesto is a moon of which planet?
Pan is a moon of which planet?
Which planet is known as The Bringer of Old Age?
In what era did dinosaurs live?
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