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Extremely Hard Science Quiz Even Einstein would scratch his head!
Which planet shares its name with a popular chocolate bar?
Janus is a moon of which planet?
Protons and neutrons have approximately the same what?
Which planet is known as The Bringer of Old Age?
What must an element readily gain or lose in order to be classed as 'reactive'?
Electron configuration was first conceived by which model?
The solid state of water is known as what?
In 1631 Pierre Gassendi made the first telescopic observation of which planet?
The Rainbow fish tends to hail from where?
When was the element ununbium discovered?
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