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英英字典: atomic_number_17

atomic number 17   (TTS Sound)



Overview of noun atomic_number_17

The noun atomic number 17 has 1 sense


  • chlorine, Cl, atomic number 17 -- (a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water))

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