WebNov 7, 2024 · Chlorine is a chemical element with atomic number 17 and element symbol Cl. It is a member of the halogen group of elements, appearing between fluorine and bromine moving down the periodic table. At ordinary temperature and pressure, chlorine is a pale. greenish-yellow gas. WebMar 29, 2024 · Chlorine (Cl) is a chemical element of the periodic table, located in the group 17 and the period 3, and is having the atomic number 17. It is a pale, greenish …
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WebChlorine is a chemical element commonly used in industry and found in some household products. When chlorine gas comes into contact with moist tissues such as the … WebJan 30, 2024 · Chlorine (Cl) -349 kJ mol -1 Bromine (Br) -324 kJ mol -1 Iodine (I) -295 kJ mol -1 Notice that electron affinity decreases down the group, but increases up with the period. As the name suggests, electron affinity is … put cannot be resolved
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WebOct 17, 2024 · Which of the following elements found a place in the Periodic Table later? (a) Chlorine (b) Silicon (c) Oxygen (d) Germanium Answer 4. At the time of Mendeleev, the number of elements known was (a) 63 (b) 65 (c) 62 (d) 64 Answer 5. The properties of eka-aluminium predicted by Mendeleev are the same as the properties of later discovered … WebMar 24, 2024 · Physical properties of chlorine are mentioned below. Chlorine is a pale yellow-green colored gas having a strong smell. The melting point of diatomic chlorine gas (Cl 2) is -101.5 °C and it’s boiling point is -34.04 °C. Density of chlorine gas is 3.214 g/L which is far more than the density of the atmospheric gases of the earth. WebJul 25, 2024 · Metal atoms form metallic bonds and exist as large continuous lattice structure. Chlorine is in group VII so it has 7 valence electrons leaving one valence electron unpaired. 2 Chlorine atoms form 1 covalent bond → diatomic. Potassium is in group I so it has 1 unpaired valence electron. However, even 2 potassium atoms pair up, they cannot ... put camcorder cassette on cd