periodic table elements beryllium
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periodic table elements beryllium |
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| navigate by keyword : alkaline atomic beryl beryllium brittle chemical chemistry combination divalent earth element elements gemstones lightweight metal minerals nucleosynthesis number periodic rare science stellar strong symbol table |
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| Beryllium is a chemical element with symbol Be and atomic number 4. It is created through stellar nucleosynthesis and is a relatively rare element in the universe. It is a divalent element which occurs naturally only in combination with other elements in minerals. Notable gemstones which contain beryllium include beryl aquamarine, emerald and chrysoberyl. As a free element it is a steel-gray, strong, lightweight and brittle alkaline earth metal. |
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