Iodine: Uses And Characteristics With Its Atomic Properties

We elaborate the uses of Iodine and atomic properties with characteristics. Iodine is a chemical element with a violet appearance (Gas) Violet gray (Solid) with atomic number 53. Its symbol is I and it belongs to the group of halogens and its usual state in nature is solid. Iodine is located at position 53 on the periodic table.

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On this page you can discover the chemical properties of iodine and information about iodine and other elements of the periodic table such as bromine, astate, tellurium or xenon. You will also learn what iodine is for and you will know what its uses through its properties associated with iodine such as its atomic number or the usual state in which iodine can be found.

You will be able to see qualities of iodine such as its melting and boiling point, its magnetic properties or what its chemical symbol is. Also, here you will find information about its atomic properties such as the distribution of electrons in iodine atoms and other properties.

For some elements, part of this information is unknown. In these cases we show the properties attributed to them.

Properties of iodine

Elements of the group of halogens such as iodine occur as chemically active diatomic molecules. The name halogen comes from the Greek and its meaning is “salt former”. They are halogen elements, including iodine, they are oxidants. Many organic synthetic compounds and some natural organic compounds contain halogens such as iodine. These types of compounds are known as halogenated compounds.

The state of iodine in its natural form is solid. Iodine is a chemical element with a violet appearance (Gas) Purplish gray (Solid) and belongs to the group of halogens. The atomic number of iodine is 53. The chemical symbol for iodine is I. The melting point of iodine is 355.95 degrees Kelvin or 83.8 degrees Celsius, or degrees Centigrade. The boiling point of iodine is 457.4 degrees Kelvin or 185.25 degrees Celsius or degrees Centigrade.

Iodine is a mineral that our body needs for its proper functioning and can be found in food. Through the following link, you can find a list of foods with iodine .

Atomic Properties of Iodine

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 the position where to find iodine within the periodic table of elements, iodine is found in group 17 and period 5. Iodine has an atomic mass of 126.90447 u.

The electron configuration of iodine is [Kr] 4d105s25p5. 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 iodine is 140 pm, its atomic radius or Bohr radius is 115 pm, its covalent radius is 133 pm, and its Van der Waals radius is 198 pm. Iodine has a total of 53 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 and in the fifth shell it has 7 electrons.

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Characteristics of iodine

Below you can see a table that shows the main characteristics of iodine.

Chemical symbol I
Atomic number 53
Group 17
Period 5
Appearance Violet (Gas) Violet gray (Solid)
Block p
Density 4,940 kg / m3
Atomic mass 126.90447 u
Medium radius 140 pm
Atomic radio 115
Covalent radius 133 pm
Van der Waals radio 198 pm
Electronic configuration [Kr] 4d105s25p5
Electrons per shell 2, 8, 18, 18, 7
Oxidation states -1, 1, 3, 5, 7
Oxide strong acid
Crystal structure orthorhombic
State solid
Melting point 355.95 K
Boiling point 457.4 K
Heat of fusion 7,824 kJ / mol
Electronegativity 2.66
Specific heat 145 J / (Kkg)
Electric conductivity 8.0 × 10-8S / m
Thermal conductivity 0.449 W / (Km)

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