Which of the following gases consist of atom at room condition?
A Chlorine
B Helium
C Oxygen
D Nitrogen
@Somy

Question

Which of the following gases consist of atom at room condition?
A Chlorine
B Helium
C Oxygen
D Nitrogen
@Somy

anonymous · Answer

is the answer D?

somy · Answer

does N exist in N form or N2 form in room conditions?

anonymous · Answer

i'm not sure

somy · Answer

some of the given atoms exist as diatomic molecules

anonymous · Answer

Helium is diatomic molecules

somy · Answer

http://en.wikipedia.org/wiki/Diatomic_molecule

somy · Answer

http://en.wikipedia.org/wiki/Diatomic_molecule#/media/File:Diatomic_molecules_periodic_table.svg

somy · Answer

no Helium is not a diatomic molecule 
it cant be 
Helium is a noble gas that is unreactive

anonymous · Answer

okay.Is the answer C?

somy · Answer

Diatomic means 2 atoms bonded together thus  form a molecule 
in other words all diatoms are molecules 
and there is only one option that shows the element that exists in atom state

somy · Answer

not molecule state

anonymous · Answer

That means the answer will be B?

somy · Answer

yep :)

anonymous · Answer

Thnx @Somy