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po·tas·si·um
 potassium
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- pronunciation:
- p
tae
si
m
- features:
- Word Combinations (noun), Word Explorer
part of speech: |
noun |
definition: |
a chemical element of the alkali metal group that has nineteen protons in each nucleus, that occurs naturally only in compounds such as various salts, and that can be isolated as a soft silver-white solid that oxidizes swiftly in air. (symbol: K)
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