We elaborate the atomic properties of Americium with uses and characteristics. Americium is a silvery-white chemical element with atomic number 95. Its symbol is Am and it belongs to the group of actinides and its normal state in nature is solid. Americium is located at position 95 on the periodic table.
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On this page you will be able to discover the chemical properties of americium and information about americium and other elements of the periodic table such as cerium, praseodymium, neodymium or promised. You will also learn what americium is for and you will know its uses through its properties associated with americium such as its atomic number or the usual state in which americium can be found.
You will be able to see qualities of americium 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 the americium atoms and other properties.
For some elements, part of this information is unknown. In these cases we show the properties attributed to them.
Americium properties
Americium 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 in the actinide group, including Americium, are radioactive.
The state of Americium in its natural form is solid. Americium is a silvery-white chemical element and belongs to the group of actinides. The atomic number of americium is 95. The chemical symbol for americium is Am. The melting point of americium is 1449 degrees Kelvin or 1176.85 degrees Celsius, or degrees Centigrade. The boiling point of Americium is 2880 degrees Kelvin or 2607.85 degrees Celsius or degrees Celsius.
Atomic properties of americium
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. Regarding its position within the periodic table of elements, it can be found in period 7. Americium has an atomic mass of 243 u.
The electron configuration of americium is [Rn] 5f77s2. The electronic configuration of the elements determines the way in which the electrons are structured in the atoms of an element. The mean radius of americium is 175 pm.
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Americium characteristics
Below you can see a table that shows the main characteristics that Americium has.
| Americium | ||
|---|---|---|
| Chemical symbol | A.M | |
| Atomic number | 95 | |
| Period | 7 | |
| Appearance | silvery white | |
| Block | F | |
| Density | 13,670 kg / m3 | |
| Atomic mass | 243 u | |
| Medium radius | 175 pm | |
| Electronic configuration | [Rn] 5f77s2 | |
| Oxidation states | 6,5,4,3 | |
| Crystal structure | monoclinic | |
| State | solid | |
| Melting point | 1449K | |
| Boiling point | 2880K | |
| Heat of fusion | 14.39 kJ / mol | |
| Electronegativity | 1.3 (Pauling) | |
| Electric conductivity | 2.2 × 106 m-1 Ω-1 | |
| Thermal conductivity | 10 W / (m K) | |
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