Question

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

Answer 1

is the answer D?

Answer 2

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

Answer 3

i'm not sure

Answer 4

some of the given atoms exist as diatomic molecules

Answer 5

Helium is diatomic molecules

Answer 6

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

Answer 7

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

Answer 8

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

Answer 9

okay.Is the answer C?

Answer 10

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

Answer 11

not molecule state

Answer 12

That means the answer will be B?

Answer 13

yep :)

Answer 14

Thnx @Somy