Mercury has no atmosphere to speak of. There are traces of sodium, oxygen, argon, helium, nitrogen, carbon dioxide, water and hydrogen floating around' but it's pretty much hard vacuum down to the surface.
Mercury has no atmosphere, it is not massive enough to hold on to one, nor does it produce a magnetosphere to protect it from solar winds (which would blow away any atmosphere it could otherwise maintain).
it is complicated
the answer is H2O and H2S
carbon dioxide
The composition of mercury is solid as well as earth.
the composition of Europa's atmosphere is mostly your idiocracy, and stupidity.
No atmosphere
Venus has a thick atmosphere. Mercury does not have an atmosphere.
No, Mercury doesn't even have an atmosphere.
Mercury has extremely thin atmosphere. It is composed of oxygen (42% by volume), sodium (29%), hydrogen (22%), helium (6%) and other compounds in smaller quantities.
Mercury has virtually no atmosphere. What there is, is coprosed mainly of oxygen (42% by volume), sodium (29%), hydrogen (20%) and helium (6%). There are traces of other chemicals.
Mercury does not have an atmosphere.
Mars has almost no atmosphere. APEX=MERCURY has no atmosphere.
No, there is no oxygen in Mercury's atmosphere because Mercury does not have an atmosphere.
The composition of mercury is solid as well as earth.
earth has people in it's atmosphere
the composition of Europa's atmosphere is mostly your idiocracy, and stupidity.
Mercury has no significant atmosphere.
Mercury has no significant atmosphere
There is no hick atmosphere on Mercury.
Mercury has virtually no atmosphere.