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Shahemaaaaa3 key

Shahemaaaaa3 key






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Shahemaaaaa3 key Shahemaaaaa3 key Presentation Transcript

  • MERCURY By: Shahema Abdelhady
  • MERCURY’S ATOMIC NUMBER, ATOMIC MASS, AND CHEMICAL SYMBOL. Mercury’s atomic number is 80 Mercury’s atomic mass is 200.6 Mercury’s chemical symbol is Hg
  • Mercury’s isotopes. Mercury has 34 isotopes whose half-lives are known, with mass numbers 175 to 208. Of these, six are stable, 196Hg 198Hg 199Hg 200Hg 201Hg 202Hg The most abundant naturally forming isotope is 202Hg is at 29.86%.
  • Who Discovered Mercury? Mercury or quicksilver has been known since ancient times. Mercury was known to ancient Chinese and Hindus and has been found in Egyptian tombs dating back to 1500 B.C. The element's name comes from the Roman messenger god, Mercury, who was known for his speed and mobility. Its chemical symbol, Hg, is an abbreviation of the Latin word 'hydrargyrum', meaning liquid silver.
  • Melting point, boiling point, and state of mercury ? Mercury’s melting point is 234.32 K   (-38.83 oC). Mercury’s boiling point is t: 629.88 K   (356.73 oC). Mercury’s state is liquid.
  • Mercury’s Chemical Properties Mercury is a silvery mirror-like liquid at room temperature.  When cooled it becomes a tin-white solid.  Pure Mercury has a high surface tension and usually forms small bead-like droplets when it is spilled.
  • Mercury’s Physical properties. it has very high surface tension. Surface tension is a property of liquids that make them act like they are covered with a skin. Mercury is also a very good conductor of electricity. This property is used in a number of practical devices.
  • What is Mercury mostly found in ? Mercury is mostly found in fish and other seafood meals that most people eat on a daily basic. Mercury or quicksilver, is most commonly used in thermometers and barometers. Mercury is also used for medical purposes, such as blood pressure devices, and can be found in some over-the-counter medicine, such as eye drops, and diaper-rash ointment. Mercury is also used in mascara. Mercury's vaporous discharge can produce light, thus it can be found in some ultraviolet lamps. But, it can also be found in deposits all over the world, as cinnabar (Red mercury)
  • My elements roles in everyday life? Most mercury is used for the manufacture of industrial chemicals and for electrical and electronic applications. In addition, mercury is widely used in thermometers, especially ones which are used to measure high temperatures The ease with which it forms amalgams with gold has resulted in its use in gold recovery from ores. In addition to thermometers, mercury is used in barometers, diffusion pumps, and many other laboratory instruments. The triple point of mercury, -38.8344 °C, is a fixed point used as a temperature standard for the International Temperature Scale (ITS-90). Gaseous mercury is used in mercury-vapor lamps and advertising signs.
  • Mercury’s bonds • Mercury is a metal so it has to form ionic bonds • Mercury is a polar covalent bond.
  • What does mercury bond with and without? BOND WITH gold zinc iron DOESNT BOND WITH tantalum tungsten platinum
  • What are Mercury’s energy levels ? First Energy level is 2 1. Second Energy level is 8 2. Third Energy level is 18 3. Fourth Energy level is 32 4. Fifth Energy level is 18 5. Sixth Energy level is 2