Molar Mass of Chlorine (Cl) in the Periodic Table

Chlorine, a yellow-green gas at room temperature and atmospheric pressure, has the atomic number 17 and the symbol Cl. It is one of the most commonly used elements in the world, with applications ranging from water purification to production of plastics.

Physical Properties of Chlorine

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Chlorine has several physical properties that are important for understanding its behavior and uses. Its vapor pressure at room temperature is 1300 kPa, making it a strong oxidizer. The enthalpy of vaporization and atomization of chlorine are 10.21 kJ/mole and 121.8 kJ/mole, respectively.

Electrical Properties of Chlorine

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Chlorine has a number of electrical properties that are relevant to its uses. Its electronegativity is 3.16 (Pauling) or 2.83 (Allrod Rochow), indicating the strength of its electrostatic attraction for electrons. The electrochemical equivalent of chlorine is 1.3228 g/amp-hr.

Atomic Structure of Chlorine

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The atomic structure of chlorine is characterized by an electron configuration of 1s2 2s2p6 3s2p5, with a total of 17 electrons. This means that the outermost energy level (shell) contains 7 electrons, which are involved in chemical reactions.

Molar Mass of Chlorine

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The molar mass of chlorine is an important concept in chemistry, as it relates to the amount of substance present in a given sample. The molar mass of Cl2 is approximately 70.9 g/mol, based on the average atomic mass of chlorine.

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In conclusion, chlorine has several physical and electrical properties that make it a useful element in various applications. Its atomic structure and electron configuration are also important for understanding its behavior and uses. By considering the molar mass of Cl2, we can better understand the amount of substance present in a given sample.

Molar mass cl cl periodic table