For U.S. Treasuries traded with a Fidelity representative, $19.95 per trade. Fixed income trading requires a Fidelity brokerage account with a minimum opening balance of $2,500. Rates are for U.S. Dollar denominated bonds, additional fees and minimums apply for non-Dollar bond trades.
A group of minerals containing various amounts of the elements Silicon and Oxygen. The Silicates are the largest group of minerals. The construction component of all Silicates is the tetrahedron, which is one Silicon atom equidimensionally placed around four Oxygen atoms.
SILICON Overview Information. Silicon is a mineral. Silicon supplements are used as medicine. Silicon is used for weak bones (osteoporosis), heart disease and stroke (cardiovascular disease), Alzheimer's disease, hair loss, and improving hair and nail quality.cide Orthosilicique, Atomic number 14, Dioxyde de Silicium, Numero NumÃ©ro atomique, 14 Orthosilicic, Acid Phytolithic, Silica-polysilicone, 11, Si, Silica Silica, Hydride Silice, Hydride, Silicea, Silicio, Silicium silicium De, Sodium Silicon,... dioxide