Is astatine solid liquid or gas?
At this temperature, fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids. There is therefore a trend in state from gas to liquid to solid as you go down the group.
How hard is astatine?
Current research. The scarcity of astatine makes it an incredibly difficult element to study. Astatine-211 is one such isotope that could be beneficial to alpha therapy because it has a longer half-life than traditionally used bismuth-213, and it can be produced in particle accelerators.
What is the most difficult mineral to find?
Diamond is the hardest known mineral, Mohs’ 10.
What is the most scarce element in the world?
element astatine
A team of researchers using the ISOLDE nuclear-physics facility at CERN has measured for the first time the so-called electron affinity of the chemical element astatine, the rarest naturally occurring element on Earth.
What is the density of one gram of astatine?
Astatine weighs 9.32 gram per cubic centimeter or 9 320 kilogram per cubic meter, i.e. density of astatine is equal to 9 320 kg/m³. In Imperial or US customary measurement system, the density is equal to 581.829 pound per cubic foot [lb/ft³], or 5.39 ounce per cubic inch [oz/inch³] . Density of Astatine in a few select units of density measurement:
How to calculate the density of liquid ethanol?
The calculator below can be used to estimate the density and specific weight of liquid ethanol at given temperature. The output density is given as kg/m 3, lb/ft 3, lb/gal (US liq) and sl/ft 3 .
Is the element astatine toxic to humans or animals?
A mass spectrometer has been used to confirm that astatine behaves chemically like other halogens, particularly iodine. Astatine has no known biological role. It is toxic due to its radioactivity. Astatine can be obtained in a variety of ways, but not in weighable amounts.
Which is the primary alcohol that is ethanein?
Ethanol is a primary alcohol that is ethanein which one of the hydrogens is substituted by a hydroxygroup.