CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | A man-made, radioactive metal with a melting point of 900 degrees C; [Merck Index # 1716] |
|---|---|
| Color/Form | Alpha phase: hexagonal; beta phase: face centered cubic (metal) |
| Melting Point | 900 +/- 30 °C (metal) |
| Density | 15.1 g/mL at 25 °C (alpha phase); 8.70 g/mL at 25 °C (beta phase) (metal) |
| Stability/Shelf Life | Slowly oxidized in air at room temperature; rate increases with increased moisture in air. Oxidized when warmed in air... . |
| Other Experimental Properties | There are 20 isotopes of californium that are now recognized(1). Californium-237 through 256 are artificially produced and all are radioactive(2). |
| Chemical Classes | Physical/Radiation -> Radionuclides |
COMPUTED DESCRIPTORS
| Molecular Weight | 251.07959 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 251.07959 g/mol |
| Monoisotopic Mass | 251.07959 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 1 |
| Formal Charge | 0 |
| Complexity | 0 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Californium atom is an actinoid atom and a f-block element atom.