A child abuse fatality occurs when a child's death is the result of abuse or neglect, or when abuse and/or neglect are contributing factors to a child's death. In the United States, 1,730 children died in 2008 due to factors related to abuse; this is a rate of 2 per 100,000 U.S. children.
The kind of mercury that accumulates to toxic levels in fish is called monomethylmercury, or simply methylmercury, because it has a methyl group, CH3, attached to the mercury atom. The problem is that we donât know where methylmercury comes from.
A heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure; the only other element that is liquid under these conditions is bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature.Contents. 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.