Astatine is an element with the symbol At.
Astatine has 7 valence electrons.
Some common compounds formed by astatine include hydrogen astatide (HAt), astatine monochloride (AtCl), astatine monobromide (AtBr), and astatine monoxide (At2O). Due to the scarcity and radioactive nature of astatine, its compounds are not commonly studied.
The color of the element astatine is unknown.
The Latin language name of astatine is astatium.
Astatine has 85 protons.
The chemical symbol of astatine is At
The chemical symbol of astatine is At
Now, no commercial use for astatine; but the isotope astatine 211 was proposed for the radiotherapy of cancers.
The formula for gaseous astatine is At2, meaning two atoms of astatine are bonded together in a gas phase. Astatine is a halogen and exists as diatomic molecules in its gaseous form.
Astatine is a solid at room temperature.
The word equation for the reaction between sodium and astatine is: sodium + astatine → sodium astatide.