| 释义 |
Definition of fluorine in English: fluorinenoun ˈflʊəriːnˈflɔːriːn mass nounThe chemical element of atomic number 9, a poisonous pale yellow gas of the halogen series. It is the most reactive of all the elements, causing very severe burns on contact with skin. （化学元素）氟（符号： F ） Example sentencesExamples - As its position in the periodic table would suggest, it is less active than the three halogens above - fluorine, chlorine, and bromine.
- The elements hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine and iodine consist of diatomic molecules.
- The halogens are a group of chemical elements that includes fluorine, chlorine, bromine, iodine, and astatine.
- A hydrogen bond is a dipole dipole interaction that occurs between any molecule with a bond between a hydrogen atom and any of oxygen / fluorine / nitrogen.
- Potassium also reacts readily with all acids and with many nonmetals, such as sulfur, fluorine, chlorine, phosphorus, and nitrogen.
OriginEarly 19th century: from fluor (see fluorspar) + -ine4. Definition of fluorine in US English: fluorinenoun The chemical element of atomic number 9, a poisonous pale yellow gas of the halogen series. It is the most reactive of all the elements, causing severe burns on contact with skin. （化学元素）氟（符号： F ） Example sentencesExamples - A hydrogen bond is a dipole dipole interaction that occurs between any molecule with a bond between a hydrogen atom and any of oxygen / fluorine / nitrogen.
- Potassium also reacts readily with all acids and with many nonmetals, such as sulfur, fluorine, chlorine, phosphorus, and nitrogen.
- As its position in the periodic table would suggest, it is less active than the three halogens above - fluorine, chlorine, and bromine.
- The halogens are a group of chemical elements that includes fluorine, chlorine, bromine, iodine, and astatine.
- The elements hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine and iodine consist of diatomic molecules.
OriginEarly 19th century: from fluor (see fluorspar) + -ine. |