Cl 氯 17 35.453 17 3 p 17 -101.0 -34.6 [Ne] 3s2 3p5 2 8 7 0.00321 0.017% Yellow Orthorhombic 3.2 2.869 {"1":"1251.2","2":"2298","3":"3822","4":"5158.6","5":"6542","6":"9362","7":"11018","8":"33604","9":"38600","10":"43961","11":"51068","12":"57119","13":"63363","14":"72341","15":"78095","16":"352994","17":"380760"} 1255 349 99 -1 0.97 18.7 3.21 10.2 0.48 0.0089 0 Gas, Diamagnetic, Insulator, Halogen, Nonmetal, Stable, Natural KLOR-een Greenish-yellow, disagreeable gas. Never found in free form in nature. Used in water purification, bleaches, acids and many, many other compounds such as chlorofluorocarbons (CFC). Salt (sodium chloride, NaCl) is its most common compound. Commercial quantities are produced by electrolysis of aqueous sodium chloride (seawater or brine from salt mines). BXCfBl4rmh0 Chlorine

Ununquadium（Uuq）是IUPAC的临时系统元素名称。

在一九九八年，杜布纳由联合核研究所的尤里·奥加内西奥和弗拉基米尔·乌托隆科夫领导的一个小组通过用钙炸钚来生产氟氯氰菊酯。

在持续40天的实验中，在钚上煅烧的5 × 10¹⁸个原子的钙，以产生单一的氟化物原子。 为纪念前苏联物理学家、联合核研究所创始人格奥尔基·弗廖罗夫而得名 17 1774 Carl William Scheele Sweden From the Greek word "chloros" meaning "pale green"

极其有害因其放射性

The longest-lived isotope currently known is ²⁸⁹Fl

仅仅用在于科研目的