water is a liquid but water vapours is steam... when we boil water it will turn into steam which is called water vapours...
iodine is the only halogen in solid form. so it is the halogen which gives violet vapours on sublimation...
Condensation occurs at dew point temperature which is "the temp. at which first dew from vapours is formed when we are decreasing the temp. of the vapours".
Vapours
violet vapours
Examples: water vapours, nitrogen, helium, iodine vapours, oxygen, xenon etc.
when iodine is heated it gives voilet vapours
Death from heat and vapours
But they dont they are always active
Zinc vapours (as a gas)
condensation of vapours
Condensation.