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The largest reservoir of hydrogen on Earth may be hiding in its core
Earth's core contains nine to 45 times more hydrogen than the planet's oceans do, according to a new study that could settle ...
On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table. He ...
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This new element is lighter than hydrogen. What?
When we first learn about atoms, we learn that the simplest has one electron buzzing around one proton, aka hydrogen. But it turns out there's an atom that's even simpler than this. It's called ...
Can you remember all 118 elements in the periodic table without looking at the answers?
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