Use online or print pages out as classroom handouts. Move an electron from the sodium to the chlorine atom. If you would like to link to this page from your website, blog, etc., copy and paste this link code (in red) and modify it to suit your needs: echo Periodic Table of Elements: Chlorine - Cl (EnvironmentalChemistry.com)- Comprehensive information for the element Chlorine - Cl is provided by this page including scores of properties, element names in many languages, most known nuclides and technical terms are linked to their definitions.. NOTICE: While linking to articles is encouraged, OUR ARTICLES MAY NOT BE COPIED TO OR REPUBLISHED ON ANOTHER WEBSITE UNDER ANY CIRCUMSTANCES. A neutral chlorine atom, for example, contains 17 protons and 17 electrons. More info. Electrons per Energy Level: 2,8,7 Shell Model; Ionic Radius: 1.81Å; Filling Orbital: 3p 5; Number of Electrons (with no charge): 17; Number of Neutrons (most common/stable nuclide): 18; Number of Protons: 17; Oxidation States: ±1,3,5,7; Valence Electrons: 3s 2 p 5 Electron Dot Model. Comprehensive data on the chemical element Chlorine is provided on this page; including scores of properties, element names in many languages, most known nuclides of Chlorine. Valence is defined by the IUPAC as:. Chlorine-36 is also known naturally and is a radioactive isotope with a half life of about 30,000 years. Neurodevelopmental Disorders in Children: Autism & ADHD, Mercury in Fish vs. the Benefits of Fish Oils, Norwegian Farmed Salmon Raises Global Concern. Compact Fluorescent Lights (CFLs): Are They Worth the Switch? Answers many questions regarding the structure of atoms. Electronegativity of Chlorine is 3.16. Accessed on-line: 12/3/2020https://EnvironmentalChemistry.com/yogi/periodic/Cl.html. Chlorine: Symbol: Cl Atomic Number: 17: Atomic Mass: 35.453 atomic mass units: Number of Protons: 17: Number of Neutrons: 18: Number of Electrons: 17: Melting Point-100.98° C: Boiling Point-34.6° C: Density: 3.214 grams per cubic centimeter: Normal Phase: Gas: Family: Halogen: Period: 3: Cost: 15 cents per 100 grams 17 is the total number of electrons. Periodic table is arranged by atomic number, number of protons in the nucleus which is same as number of electrons. Is the Coronavirus Crisis Increasing America's Drug Overdoses. Will 5G Impact Our Cell Phone Plans (or Our Health?! Chlorine has two stable isotopes chlorine-35 and chlorine-37with Chlorine-35 accounting for roughly 3 out of every 4 naturally occurring chlorine atoms. The gain or loss of electrons by an atom to form negative or positive ions has an enormous … Valence only describes connectivity; it does not describe the geometry of molecular compounds, or what are now known to be ionic compounds or giant covalent structures.A line between atoms does not always represent a pair of electrons as it does in Lewis diagrams.. Modern definitions. How to Write the Electron Configuration for Chlorine (Cl) In order to write the Chlorine electron configuration we first need to know the number of electrons for the Cl atom (there are 17 electrons). Are there Realistic Dry-Cleaning Alternatives to Perc? If you need to cite this page, you can copy this text: Kenneth Barbalace. Chlorine Compound of the Month: 8661 Taking Its Place on The Periodic Table . Common chemical compounds are also provided for many elements. The chemical element chlorine has 17 electrons, 17 protons and 18 neutrons. The atomic number of chlorine is 17. Its electron configuration is … {eq}(\rm 2s^2, 2p^4). First Ionization Energy of Chlorine is 12.9676 eV. There are one chlorine atom and four oxygen atoms in the chlorate ion. The atomic number is the same as the number of protons while the mass number is the sum of the protons and neutrons. No. More about the history and places to find chlorine. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. Introduces stoichiometry and explains the differences between molarity, molality and normality. The number of neutrons is calculated by subtracting the atomic number from the mass number. 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Electrochemical Equivalent: 1.3228g/amp-hr; Electron Work Function: Atomic Mass of Chlorine The number of neutrons can be calculated by subracting the atomic number of Chlorine 17 by the mass number 35. Printed from https://EnvironmentalChemistry.com, Molar Mass Calculations and Javascript Calculator, Nitrogen Dioxide, Ozone & Lead Partner to Increase Pollution Dangers to Urban Children, Prairie Dog Control: Non-Lethal Techniques, ADA Recommendation for Fluoride in Infant Diets, Asbestos, a Brief History its Uses & Health Risks, Asbestos, its Chemical & Physical Properties, Asbestos: A Manufacturing Health Hazard Dating to Prehistoric Times. Page if you need to cite this page if you find it useful or informative atom by subtracting the of! A charge of 1+ has 18 electrons and has a charge of 1–, and Each proton has a charge... The right, the atoms that have seven electrons in a chlorine atom and four oxygen atoms the. 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