We elaborate the atomic properties of curium with uses and characteristics. Curium is a silver-like chemical element with atomic number 96. Its symbol is Cm and it belongs to the group of actinides and its normal state in nature is solid. Curium is located at position 96 on the periodic table.
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On this page you can discover the chemical properties of curium and information about curium and other elements of the periodic table such as cerium, praseodymium, neodymium or promised. You will also learn what curium is for and you will know its uses through its properties associated with curium such as its atomic number or the usual state in which curium can be found.
You will be able to see qualities of curium such as its melting and boiling point, its magnetic properties or what its chemical symbol is. In addition, here you will find information about its atomic properties such as the distribution of electrons in curium atoms and other properties.
For some elements, part of this information is unknown. In these cases we show the properties attributed to them.
Curium properties
Curium is part of the actinide group. Actinides that have a higher atomic number cannot be found in nature and their life span is shorter. All isotopes of the actinide group, including curium, are radioactive.
The state of curium in its natural form is solid. Curium is a silver-looking chemical element and belongs to the group of actinides. The atomic number of curium is 96. The chemical symbol for curium is Cm. Curium’s melting point is 1613 degrees Kelvin or 1340.85 degrees Celsius, or degrees Celsius. The boiling point of curium is 3383 degrees Kelvin or 3110.85 degrees Celsius or degrees centigrade.
Atomic properties of curium
The atomic mass of an element is determined by the total mass of neutrons and protons that can be found in a single atom belonging to this element. As for its position within the periodic table of elements, it can be found in period 7. Curium has an atomic mass of 247 u.
The electron configuration of curium is [Rn] 5f7 6d1 7s2. The electronic configuration of the elements determines the way in which the electrons are structured in the atoms of an element.
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Curium characteristics
Below you can see a table where the main characteristics of curium are shown.
| Curium | ||
|---|---|---|
| Chemical symbol | Cm | |
| Atomic number | 96 | |
| Period | 7 | |
| Appearance | silver | |
| Block | F | |
| Density | 13,510 kg / m3 | |
| Atomic mass | 247 u | |
| Electronic configuration | [Rn] 5f7 6d1 7s2 | |
| Oxidation states | 3 (amphoteric) | |
| Crystal structure | compact hexagonal | |
| State | solid | |
| Melting point | 1613K | |
| Boiling point | 3383K | |
| Heat of fusion | 15 kJ / mol | |
| Electronegativity | 1.3 (Pauling) | |
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