For dry atmosphere:
Gas
Volume
Nitrogen (N2)
780,840 ppmv (78.084%)
Oxygen (O2)
209,460 ppmv (20.946%)
Argon (Ar)
9,340 ppmv (0.9340%)
Carbon dioxide(CO2)
394.45 ppmv (0.039445%)
Neon (Ne)
18.18 ppmv (0.001818%)
Helium (He)
5.24 ppmv (0.000524%)
Methane (CH4)
1.79 ppmv (0.000179%)
Krypton (Kr)
1.14 ppmv (0.000114%)
Hydrogen (H2)
0.55 ppmv (0.000055%)
Nitrous oxide(N2O)
0.325 ppmv (0.0000325%)
Carbon monoxide(CO)
0.1 ppmv (0.00001%)
Xenon (Xe)
0.09 ppmv (9×10−6%) (0.000009%)
Ozone (O3)
0.0 to 0.07 ppmv (0 to 7×10−6%)
Nitrogen dioxide (NO2)
0.02 ppmv (2×10−6%) (0.000002%)
Iodine (I2)
0.01 ppmv (1×10−6%) (0.000001%)
Ammonia (NH3)
trace
Pepper, dust, and even cold air are compounds that can cause a person to sneeze. Any compound that irritates the lining of the nostrils can cause a sneeze.
compound
No. Air is a mixture.
C1I1O2 is a covalent compound.
It is a chemical compound.
Water is the compound. Iodine and calcium are elements, and air is a mixture.
Popcorn is a vegetable that has been cooked, either by heated air or heated oil of some kind. A compound is a combination of molecules with differing compositions and textures. (I don't remember the exact definition)
air
Metal (More specifically Ionic compound)
the answer is compound .It spreds around the compound world
Cobalt nitrate is an ionic compound.
A compound angle.A compound angle.A compound angle.A compound angle.