The valence shell meaning the outermost electron shell. You can effortlessly find every single detail about the elements from this single Interactive Periodic table.So being stable when talking about valence electrons means that the valence shell has been filled completely (or half filled). Let me tell you how this Interactive Periodic Table will help you in your studies.ġ). Free Gift for you: Interactive Periodic Table PVC (polyvinyl chloride) is the highly used polymer which contains chlorine in it.Chlorine is added to the swimming pool water to keep it clean.It is also used in manufacturing of medicines, disinfectants as well as insecticides.Chlorine element is used in manufacturing of paper, plastics, textiles, dies, etc.In earlier days, chlorine was used as a chemical weapon as it can burn the skin.The chlorine present in CFC destroys the ozone molecules and hence it should be handled very carefully.Electrolysis of salt water can produce chlorine gas.Chlorine is also used to make drinking water safe from microorganisms.Hence the leakage of chlorine gas from the containers can be detected by using ammonia in this way. Chlorine reacts with ammonia and forms white mist.Chlorine is a non explosive and non flammable gas.Chlorine has high electronegativity and higher electron affinity, so it reacts with almost all the elements except with lighter noble gases.Chlorine is chemically reactive and hence it is not found in a free state, but it is always found as a compound with other elements (for example, NaCl, HCl, etc).Chemical properties of ChlorineĬhemical properties of chlorine are mentioned below. Density of chlorine gas is 3.214 g/L which is far more than the density of the atmospheric gases of the earth.The melting point of diatomic chlorine gas (Cl 2) is -101.5 ☌ and it’s boiling point is -34.04 ☌.Chlorine is a pale yellow-green colored gas having a strong smell.Physical properties of chlorine are mentioned below. The physical and chemical properties of chlorine element are mentioned below. Human body intake chlorine from table salt (i.e NaCl) but inhaling pure chlorine gas is very toxic.Chlorine is the 2nd lightest halogen present on the periodic table (the lightest halogen is fluorine).Human body also contains chlorine element.If we talk about the abundance of chlorine in the earth’s crust, then chlorine is the 21st most abundant element.This makes chlorine the 3rd most abundant element in the ocean. The oceans of the earth contain an excess amount of chlorine (which is present in NaCl dissolved in water).Chlorine is always found as a diatomic molecule (i.e Cl 2).This is because chlorine exists as a greenish-yellow colored gas. The name “chlorine” was derived from the Greek word “khloros” which means “greenish-yellow” color.Interesting facts about chlorine are mentioned below. So the last electron of chlorine enters the p-subshell or p-orbital. The simple answer: The elements will lie in the s, p, d or f block will completely depend upon the subshell in which the last electron will enter.įor example the electron configuration of chlorine is 3s 2 3p 5. How can you determine the blocks-wise position of elements? Orthorhombic Melting point of Chlorine (Cl 2) 171.6 K or -101.5 ☌ or -105.7 ☏ Boiling point of Chlorine (Cl 2) 239.11 K or -34.04 ☌ or -29.27 ☏ Density 3.214 g/L Main isotopes 35Cl and 37Cl Who discovered Chlorine and when?Ĭarl Wilhelm Scheele in 1774 CAS number of (Cl 2) īefore knowing this reason, first of all I want to ask you a simple question. Protons 17 Neutrons 18 Electrons 17 Symbol Cl Atomic massĢ, 8, 7 Electronic configuration 3s 2 3p 5 Atomic radiusġ75 picometers (van der Waals radius) Valence electronsħ 1st Ionization energy 12.968 eV Electronegativity Let’s dive right into it! Chlorine Element (Cl) Information Appearance Pale yellow-green gas State (at STP) Gas Position in Periodic table So if you want to know anything about Chlorine element, then this guide is for you. In fact, the table mentioned below is the perfect information box (Which gives you every single detail about the Chlorine element in Periodic table.) This is a SUPER easy guide on Chlorine element.
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