In the following set of axes, the vertical scale is logarithmic (equal scale between powers of 10) and the horizontal scale is linear (even spaces between numbers). There are no negative numbers on the y-axis, since we can only find the logarithm of positive numbers. Semilogarithmic axes.
Mercury (element) is a chemical element with symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum (/haÉªËdrÉrdÊÉrÉm/). On the periodic table of elements, the chemical symbol for mercury is Hg, from the Latin word-Hydrargyrum-meaning liquid silver. 2  For quite some time, we have known that high concentrations of mercury can be toxic to humans; the first account of mercury poisoning was recorded as early as 50 B.C.
Filed under: Mercury - 07 Jun 2013 | Spread the word ! Mercury is a natural occurring element. This element can be found in rocks, soil, water, but also in air and in living things. Mercury is a unique metal in the world, as it is liquid at room temperature. Mercury is odorless, but also colorless, at least in its pure form. Despite what you may imagine, mercury is an extremely dangerous metal for your health. This means that this is a hazardous chemical. Mercury exposure can actually lead to serious damage of the central nervous system, as well as the kidneys and liver.