| NOUN | substance | atomic number 11, sodium, Na | a silvery soft waxy metallic element of the alkali metal group |
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| Meaning | A silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt). | |
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| Synonyms | sodium, Na | |
| Broader | metallic element, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Substance of | halite, rock salt | naturally occurring crystalline sodium chloride |
| seawater, saltwater, brine | water containing salts | |
| Spanish | Na, número atómico 11, sodio | |
| Catalan | Na, número atòmic 11, sodi | |
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