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Periodic table of elements quiz: How many elements can you name in 10 minutes?
But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...
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A new iron compound hints ‘primordial’ helium hides in Earth’s core
Helium is one of the least reactive elements on the periodic table. Like the other noble gases ... This compression formed crystals containing both iron and helium. The volume of the crystal ...