Содержание
- 2. Plan: 1. Definition about mercury; 2. Etymology of mercury; 3. Properties; 4. Occurrence; 5. Applications; 6.
- 4. Mercury is a chemical element with symbol Hg and atomic number 80. It is commonly known
- 5. A heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard
- 6. Mercury occurs in deposits throughout the world mostly as cinnabar (mercuric sulfide). The red pigment vermilion
- 8. Etymology Hg is the modern chemical symbol for mercury. It comes from hydrargyrum, a Latinized form
- 9. Properties Physical properties Mercury is a heavy, silvery-white liquid metal. Compared to other metals, it is
- 10. It has a freezing point of −38.83 °C and a boiling point of 356.73 °C, both
- 12. Chemical properties Mercury does not react with most acids, such as dilute sulfuric acid, although oxidizing
- 13. Occurrence Mercury is an extremely rare element in Earth's crust, having an average crustal abundance by
- 14. Applications Mercury is used primarily for the manufacture of industrial chemicals or for electrical and electronic
- 15. The bulb of a mercury-in-glass thermometer
- 16. Medicine Mercury and its compounds have been used in medicine, although they are much less common
- 17. Amalgam filling
- 18. Mercury cycle The mercury cycle is a biogeochemical cycle involving mercury. Mercury is notable for being
- 21. Processes Most natural mercury occurs as cinnabar, HgS. Here mercury (Hg2+) is bound very tightly to
- 22. Chlorine factories, among other sources, release mercury into the atmosphere. This mercury is deposited back onto
- 23. Anthropogenic emissions of mercury The human-generated half can be divided into the following estimated percentages: *65%
- 24. *11% from gold production. The three largest point sources for mercury emissions in the U.S. are
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