We elaborate the uses of Cesium and atomic properties with characteristics.Cesium is a gold-plated chemical element with atomic number 55. Its symbol is Cs and it belongs to the group of alkali metals and its normal state in nature is solid. Cesium is located at position 55 on the periodic table.
On this page you can discover the chemical properties of cesium and information about cesium and other elements of the periodic table such as rubidium, francium, barium or hydrogen. You will also learn what cesium is for and you will know what its uses through its properties associated with cesium such as its atomic number or the usual state in which cesium can be found.
You will be able to see qualities of cesium 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 cesium atoms and other properties.
For some elements, part of this information is unknown. In these cases we show the properties attributed to them.
Cesium belongs to the group of alkali metals. This group of elements are characterized by having a single electron in its outermost energy level and have a tendency to lose it, thus forming a monopositive ion. This tendency of alkali metals such as cesium is due to their low ionization energy and low electronic affinity.
The state of cesium in its natural form is solid. Cesium is a gold-plated chemical element and belongs to the group of alkali metals. The atomic number of cesium is 55. The chemical symbol for cesium is Cs. The melting point of cesium is 301.59 degrees Kelvin or 29.44 degrees Celsius or degrees centigrade. The boiling point of cesium is 944 degrees Kelvin or 671.85 degrees Celsius or degrees Centigrade.
Atomic Properties of Cesium
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 the position where to find cesium within the periodic table of elements, cesium is in group 1 and period 6. Cesium has an atomic mass of 132.90545 u.
The electron configuration of cesium is [Xe] 6s1. The electronic configuration of the elements determines the way in which the electrons are structured in the atoms of an element. Cesium’s mean radius is 260 pm, its atomic radius or Bohr radius is 298 pm, its covalent radius is 225 pm, and its Van der Waals radius is 343 pm. Cesium has a total of 55 electrons whose distribution is as follows: In the first shell it has 2 electrons, in the second it has 8 electrons, in its third shell it has 18 electrons, in the fourth, 18 electrons, in the fifth shell it has 8 electrons and in the sixth, 1 electron.
Below you can see a table that shows the main characteristics of cesium.
|Density||1879 kg / m3|
|Atomic mass||132.90545 u|
|Medium radius||260 pm|
|Covalent radius||225 pm|
|Van der Waals radio||343 pm|
|Electronic configuration||[Xe] 6s1|
|Electrons per shell||2, 8, 18, 18, 8, 1|
|Crystal structure||body-centered cubic|
|Melting point||301.59 K|
|Heat of fusion||2,092 kJ / mol|
|Vapor pressure||2.5 kPa|
|Specific heat||240 J / (Kkg)|
|Electric conductivity||4.89 × 106S / m|
|Thermal conductivity||35.9 W / (K m)|