Mercury
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This document provides information about the chemical element mercury. It discusses mercury's atomic properties including its symbol, atomic number, atomic mass, melting and boiling points. It also lists some common uses of mercury in devices like thermometers and batteries. The document notes that mercury is a highly toxic liquid metal that was discovered as early as 1500 BC and is named after the Roman god Mercury. It includes several links to videos about mercury's unique properties.
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Mercury is a heavy, silvery-white liquid metal that was used in ancient times but is now known to be toxic. It has a low melting point and is the only metal that is liquid at standard temperature and pressure. Mercury was used for religious and medical purposes historically but is now primarily used to manufacture chemicals and in electrical applications like fluorescent lights, though some uses are being phased out. While mercury's physical properties allow it to be walked on, exposure to its vapor leads to health problems.
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বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
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Mercury
- 1. B y: Michael Kennet
- 2. Symbol: HG Atomic Number: 80 Atomic Mass: 200.59 amu Melting Point: -38.87 °C Boiling Point: 256.58 Number of Protons/Electrons: 80 Average Number of Neutrons: 120 Classification: Transition Metal Density: 13.456 g/cm3
- 3. Thermometers Barometers Fluorescent Lamps Batteries
- 4. The element Mercury was discovered at about 1500 B.C. The discoverer of Mercury is unknown Mercury is Named After the roman God Mercury, a.k.a. Greek God Hermes
- 5. Silvery-White Mirror-Like High Surface Tension Liquid Metal
- 6. Highly Toxic The Pure Metal of Mercury Can Be: Inhaled Easily, Ingested Absorbed Through Skin
- 7. Early Alchemists thought that Mercury was the most important of all the elements because it demonstrated solid and liquid, earth and heaven, and life and death. An Alchemist named Geber thought that the elements Mercury and Sulfur formed al metals but with different proportions and purities.
- 8. Thermometer Thermostat Switch Tuna Dental Mercury Halide Light bulb Fluorescent Light bulb Tanning Lamp Blood Pressure Monitor Cinnabar Rock
- 9. A Cannonball can float in Mercury: Here is the video: http://www.youtube.com/watch?v=Rm5D47 nG9k4&feature=player_embedded
- 10. Freezing Mercury: http://www.youtube.com/watch?feature=pla yer_embedded&v=ZB9thwhCOzc Mercury Production: http://www.youtube.com/watch?v=wPYysv Kqwus&feature=player_embedded Pouring Mercury http://www.youtube.com/watch?v=- IpejM1rOfM&feature=player_embedded
- 11. http://periodictable.com http://www.chemicool.com http://ptable.com/ http://www.chemicalelements.com http://miamcconnell.edu.glogster.com/mercury/