| Visual_Elements__Nickel Image, general and physical information, source, uses, key isotopes, and ionisation energies. |
| WebElements__Nickel Extensive information on history, uses, occurrence, compounds, and properties of the element. |
| Wikipedia__Nickel Properties of the element, including its history, applications, and characteristics. |
| Radiochemistry_of_Nickel Full text of the monograph by L. J. Kirby (Hanford Atomic Products Operation, Richland, Washington). [PDF] (November, 1961) |
| ChemicalElements_com__Platinum Basic information, atomic structure, and isotopes. |
| EnvironmentalChemistry_com__Platinum Atomic structure, chemical and physical properties, and table of nuclides. |
| It\'s_Elemental__Platinum Basic physical and historical information. |
| LANL__Platinum Sources, properties, and uses. |
| Lenntech__Platinum Physical data, chemical properties, health and environmental effects. |
| Platinum Data tables and historic information. |
| Visual_Elements__Platinum Image, general and physical information, source, uses, key isotopes, and ionisation energies. |
| WebElements__Platinum Extensive information on history, uses, occurrence, compounds, and properties. |
| Wikipedia__Platinum Properties of the element, including its history, applications, and characteristics. |
| Radiochemistry_of_Platinum Full text of the monograph by G. W. Leddicotte (Oak Ridge National Laboratory, Oak Ridge, Tennessee). [PDF] (October, 1961) |
| Cesium Data tables and historic information. |
| ChemicalElements_com__Cesium Basic information, atomic structure, and isotopes table. |
| EnvironmentalChemistry_com__Cesium Atomic structure, chemical and physical properties, and table of nuclides. |
| It\'s_Elemental__Cesium Basic physical and historical information. |
| LANL__Cesium History, sources, properties, and costs. |
| Lenntech__Cesium Physical data, chemical properties, health and environmental effects. |
| USGS_Minerals_Information__Cesium Statistics and information on the worldwide supply, demand, and flow of the element (PDF format). |
| Visual_Elements__Caesium Image, general and physical information, and key isotopes. |
| WebElements__Caesium Extensive information on history, uses, occurrence, compounds, and properties. |
| Wikipedia__Caesium Properties of the element, including its history, applications, and characteristics. |
| Radiochemistry_of_Cesium Full text of the monograph by M. T. Kinsley (Brookhaven National Laboratory, Upton, New York). [PDF] (February, 1961) |
| ChemicalElements_com__Silicon Basic information, atomic structure, and table of isotopes. |
| EnvironmentalChemistry_com__Silicon Atomic structure, chemical and physical properties, and table of nuclides. |
| It\'s_Elemental__Silicon Basic physical and historical information. |
| LANL__Silicon History, sources, uses, and properties. |
| Lenntech__Silicon Physical data, chemical properties, and health effects. |
| Silicon Data tables and historic information. |
| Silicon_Chemistry_Primer Review of silicon and silicone chemistry including properties and types of materials that can be made. |
| USGS_Minerals_Information__Silicon Statistics and information on the worldwide supply, demand, and flow of the element (PDF format). |
| Visual_Elements__Silicon General and physical information, source, uses, biological role, key isotopes, and ionisation energies. |
| WebElements__Silicon Extensive information on history, uses, occurrence, compounds, and properties of the element. |
| Wikipedia__Silicon Properties of the element, including its history, applications, and characteristics. |
| Radiochemistry_of_Silicon Full text of the monograph by David R. Schink (Isotopes, a Teledyne Company, Palo Alto, California). [PDF] (November, 1968) |
| ChemicalElements_com__Rutherfordium Basic information, atomic structure, and isotopes. |
| EnvironmentalChemistry_com__Rutherfordium Atomic structure and table of nuclides. |
| It\'s_Elemental__Rutherfordium Basic physical and historical information. |