What is your favourite periodic table element?

Ununoctium.

Anyways, the guys who say that only oxygen is necessary while other gases are not, then u won't be living today. PURE OXYGEN IS TOXIC! and the whole earth would have burn down in single spark. Also Carbon Dioxide and many other gases present (like greenhouse gases which maintain earth's temperature) have their own significance. too.

ununennium ie atomic no. 119, avg mass 258, UUe. It is normally on form of UUeOCH4 at mars, and don't be confused on it's compound formation, oxidation state matters. It can be very much useful for several projects

Potassium

I'm kinda partial to oxygen even though I am made of a lot of carbon.

Arsenic

Cu - copper. I don't know why this is the first that came to mind, I love the color and it has had so many uses for the thousands of years. Plus I can't afford gold. :)

I hate chemistry.

I really really do.

If I had to choose I would choose oxygen.

Cobalt. Just because I like the name and also the colour cobalt blue.

Oxygen,

i dont know what the others are(:

aw dude that's mine too! i did a whole report on it for science class last year. ^_^ got an A+