ChemistryElements

Astatine: Uses And Characteristics With Its Atomic Properties

We elaborate the uses of Astatine and atomic properties with characteristics. Astatine is a chemical element with a metallic appearance with atomic number 85. Its symbol is At and it belongs to the group of halogens and its usual state in nature is solid. The astatine is located at position 85 on the periodic table.

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

You will be able to see qualities of astatine 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 astatine atoms and other properties.

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

Astatine properties

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

The state of astatine in its natural form is solid. Astatine is a chemical element with a metallic appearance and belongs to the group of halogens. The atomic number of astatine is 85. The chemical symbol for astatine is At. The melting point of astatine is 575 degrees Kelvin or 302.85 degrees Celsius or degrees Celsius.

Atomic properties of astatine

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 to find the astatine within the periodic table of elements, the astatine is in group 17 and period 6. The astatine has an atomic mass of 210 u.

The electron configuration of the astatine is [Xe] 4f14 5d10 6s2 6p5. The electronic configuration of the elements determines the way in which the electrons are structured in the atoms of an element. The covalent radius of the astatine is 127 pm.

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Astatine characteristics

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

Astatus
Chemical symbol At
Atomic number 85
Group 17
Period 6
Appearance metal
Block p
Atomic mass 210 u
Covalent radius 127 pm
Electronic configuration [Xe] 4f14 5d10 6s2 6p5
Oxidation states + -1,3,5,7 (unknown)
State solid
Melting point 575K
Heat of fusion 1.4 kJ / mol
Electronegativity 2.2 (Pauling)
Thermal conductivity 1.7 W / (m K)

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