This paper narrated harmful composition in the gaseous state and granulous state of the steam and smoke,and the harm of smoking,appeal control smoking.
Now, the process starts as I sniff molecules up into my nose. This means that for you to be able to smell something, the odorant must be volatile, or in a gaseous state to get sucked up into your nostrils.
And we saw in the video on ionization energy, that's why this has a low ionization energy, it doesn't take much energy, in a gaseous state, to remove an electron from sodium.