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Extremely Hard Science Quiz Even Einstein would scratch his head!
In an element the number of protons is equal to the number of what?
When was the element bohrium discovered?
Which of these does not use plasma?
What is the atomic mass of oxygen?
Who many species of seahorses are there?
Electron configuration was first conceived by which model?
What do solar panels contain?
What type of ocean water is more dense?
The Narwhal is what type of sea creature?
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