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Extremely Hard Science Quiz Even Einstein would scratch his head!
Complete the name of a famous feature on Mercury "The Caloris _____"?
What is the pH value of apple juice?
What must an element readily gain or lose in order to be classed as 'reactive'?
Pan is a moon of which planet?
Who discovered the electron in 1887?
Which number group in the Periodic Table contains oxygen?
The Narwhal is what type of sea creature?
A molecule that can act as an acid or a base is described as what?
Most jellyfish live less than how long?
What is the most abundant pure element in the Earth's atmosphere?
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