Because it’s give inert atmosphereĥ) It is use in fluorescent tubes. because it’s octate is completely filledĢ) Argon have high melting point hence it is use in yellow bulbģ) Argon gas use in welding purpose. In argon atom all shell are completely filled with electronĥ) Reactivity : It does not react with any metal and non metal. In chlorine 2 electron present in K shell, 8 electrons present in L shell ,8 electrons present in M shellĪrgon show no valency. Simply put, the atomic radius is half of the diameter of the atom, which is a result of the number of protons, neutrons, and electrons that compose the atom. It is present 99% in natureĮlectronic configuration of chlorine is 1S 22S 2 2P 6 3S 2 3P 6 Electronic configuration in concert of shell is 2,8,8 In this isotopes 18 proton, 18 electron and 22 neutron is present. it is present 0.6% in natureĤ0Ar: atomic weight of this isotope is 39.9. in this isotope 18proton, 18 electron and 20 neutron is present. It is present 0.3% in natureģ8Ar: Atomic weight of this isotope is 37.6. in this isotope 18 proton, 18 electron and 18 neutron is present. It didn’t gives any odour, it is odourlessģ6Ar : atomic weight of this isotope Is 35.9. It is place in 18 th column ( group) And 3 rd row ( period) It is called as zero group element Sum of proton and neutrons give atomic mass The name argon is originated from Greek word ‘ agros ‘ The meaning of agros is idelġ) Atomic symbol: Atomic e of argon is ArĢ) Atomic number Atomic number of argon is 18 In argon 18 electron and 18 proton is presentģ) Atomic weight/ mass: Atomic weight of argon is 39.94 In argon nucleus 18 proton 22 neutron is present. It is discovered by lord Rayleigh and William Ramsay in 1894 The Periodic Table of the Elements (including Atomic Radius) 1 18 Hydrogen 1 H 1.01 31 2 Alkali metals Alkaline earth metals Transition metals Lanthanides Actinides Other metals. It is found by the process of cooling air It is 3 rd most found element in earth crust. Atomic Mass, Number, Physical, Chemical properties, Electronic configuration, Valency, Chemical reaction, UsesĪrgon is an Nobel gas It give inert atmosphere. ‣ How many isotopes does argon have? Main isotopes of argon Isotope Abundance Half-life (t 1/2) Decay mode Product 36 Ar 0.334 % stable 37 Ar syn 35 d ε 37Cl 38 Ar 0.063 % stable 39 Ar trace 269 y β – 39K 40 Ar 99.604 % stable 41 Ar syn 109.34 min β – 41K 42 Ar syn 32.Argon – Learn all details regarding Argon in Periodic Table i.e. ‣ Argon vapor pressure Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 47 53 61 71 87 Oxidation state: 0 ‣ What is the electronegativity value of argon?Įlectronegativity: Pauling scale: no data ‣ Argon heat of fusion: 1.18 kJ/mol ‣ Argon heat of vaporization: 6.53 kJ/mol ‣ Argon molar heat capacity: 20.85 J/(mol K) ‣ Argon molar magnetic susceptibility: -19.6 × 10 -6 cm 3/mol ‣ Speed of sound in argon: 323 m/s (gas, at 27 ☌) ‣ Argon crystal structure: face-centered cubic (fcc) ‣ Thermal conductivity of argon: 17.72 × 10 -3 W/(m.K) ‣ Argon CAS number: When liquid (at b.p): 1.3954 g/cm 3 ‣ Argon magnetic ordering: diamagnetic ‣ Argon natural occurrence: primordial ‣ What is the oxidation state of argon? Phase (at r.t): gas ‣ What is the density of argon at STP? Melting point: 83.81 K (-189.34 ☌, -308.81 ☏) ‣ What is the boiling point of argon?īoiling point: 87.302 K (-185.848 ☌, -302.526 ☏) ‣ Argon critical point: 150.687 K, 4.863 MPa ‣ Argon triple point: 83.8058 K, 68.89 kPa ‣ How many electron shells does argon have?Įlectrons per shell: 2, 8, 8 ‣ What is the ground state electron configuration of argon?Įlectron configuration: 3s 2 3p 6 ‣ What is argon ionization energy?ģrd: 3931 kJ/mol ‣ What phase is argon normally found in? Period: 3 ‣ Argon covalent radius: 106☑0 pm ‣ Argon Van der Waals radius: 188 pm ‣ What is the melting point of argon? Group: 18 (noble gases) ‣ What period is argon in on the periodic table? Standard atomic weight: conventional: 39.95 ‣ What block is argon in the periodic table?īlock: p-block ‣ What group does argon belong to? Symbol: Ar ‣ What is the atomic weight of argon? ‣ What is argon atomic number?Ītomic number (Z): 18 ‣ What’s the chemical symbol for argon? Location: Argon is found in the eighteenth column of the periodic table below the neon element. – p block FAQs on Argon Element Argon ‣ What does argon look like?Īppearance: colorless gas exhibiting a lilac/violet glow when placed in an electric field ‣ When was argon discovered and who discovered it?ĭiscovery and first isolation: Lord Rayleigh and William Ramsay (1894) ‣ Where is argon located on the periodic table?
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