Is ununseptium a metalloid?
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The unuseptium is a recently discovered element, hence, its chemical properties are not completely confirmed.
Unuseptium, has no stable isotopes and the number of neutrons in the most abundant isotope is of 117. Its state is presumed to be solid and there exists no information about its boiling and melting points.
Unuseptium resulted from the fusion reaction between berkelium 249 and calcium 48.
The unuseptium is located in the group 17 in the periodic table. The group 17 is known as the group of halogens, but unuseptium presents some properties that are characteristic to metalloids.
Hence, unuseptium is presumed to be a halogen and not a metalloid.
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