what are the characteristics make these genres in terms of elements
Answers
Explanation:
Fluorine is a chemical element with the symbol F and atomic number 9. It is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. As the most electronegative element, it is extremely reactive, as it reacts with all other elements, except for argon, neon, and helium.
Fluorine, 9F
Small sample of pale yellow liquid fluorine condensed in liquid nitrogen
Liquid fluorine (at extremely low temperatures)
Fluorine
Pronunciation
/ˈflʊəriːn, -ɪn, -aɪn/
(FLOOR-een, -in, -yn)
/ˈflɔːriːn, -ɪn, -aɪn/
(FLOR-een, -in, -yn)
Allotropes
alpha, beta
Appearance
gas: very pale yellow
liquid: bright yellow
solid: alpha is opaque, beta is transparent
Standard atomic weight Ar, std(F)
18.998403163(6)[1]
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