The formula for iodine gas is simply I2(g). Iodine is a diatomic element. Therefore, in its elemental state, it contains two iodine atoms bonded to one another.
IBr7 is the formula for iodine heptabromide.
I2
The chemical formula for Iodine monobromide is IBr.
The chemical formula for iodine dibromide is IBr2.
The chemical formula for Iodine heptachloride is ICl7.
The chemical formula for iodine gas is I2, where two iodine atoms are covalently bonded together.
The correct name for the chemical formula I2 is diiodine.
The formula for bromine is Br2 and the formula for iodine is I2.
The formula of iodine fluoride is IF3.
The formula for iodine water is I2 (molecular iodine) dissolved in water.
It does so in 1:3 ratio; hence the formula AlI3.Aluminum iodine is another example of iodine
IBr7 is the formula for iodine heptabromide.
The formula for iodine oxide is ( I_2O_5 ).
I2
The chemical formula for iodine trifluoride is IF3.
The chemical formula for boron iodine is BI3.
The chemical formula for iodine peroxide is I2O4.