According to the Office of Dietary Supplements at the National Institutes of Health, rust, or iron(III) oxide, is not harmful to healthy individuals with normal intestinal function. As Wikipedia explains, the ingested ir... More »

Rust, on its own, is not harmful to one's health. According to the United States Environmental Protection Agency, ingesting rust from a water source does not present adverse health effects. Rust also doesn't cause tetanu... More »

Sewer gas is harmful to human health because it contains methane gas, which contains a mixture of toxic gases. One of these is hydrogen sulfide, which can affect the functioning of the central nervous system, according t... More »

www.reference.com Health Conditions & Diseases

Sodium cyanide is harmful because it interferes with the body’s ability to use oxygen. According to the Center for Disease Control, sodium cyanide releases a highly toxic chemical asphyxiant known as hydrogen cyanide gas... More »

Silica provides several benefits to improve the health of the body and external appearance, such as facilitating digestions, improving cardiovascular function, reducing swelling in joints and making hair shiny and soft, ... More »

www.reference.com Science Chemistry

The chemical formula for iron(III) phosphate is FeO4P. Other names used to refer to this compound include iron phosphate, ferric phosphate and ferric orthophosphate. More »

Iron(II), or Fe2+ ions and iron(III), or Fe3+ ions, primarily differ in their number of electrons, where iron(II) ions contain one more electron than iron(III) ions. The shorthand electron configurations of iron(II) and ... More »