Question

Unsur terbanyak yang terkandung dalam udara ...

Answer 1

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).....383 ppmv (0.0383%) 
Neon (Ne) 18.18 ppmv (0.001818%) 
Helium (He) 5.24 ppmv (0.000524%) 
Methane (CH4) 1.745 ppmv (0.0001745%) 
Krypton (Kr) 1.14 ppmv (0.000114%) 
Hydrogen (H2) 0.55 ppmv (0.000055%) 
Nitrous oxide (N2O) 0.3 ppmv (0.00003%) 
Xenon (Xe) 0.09 ppmv (9x10-6%) 
Ozone (O3) 0.0 to 0.07 ppmv (0%-7x10-6%) 
Nitrogen dioxide (NO2) 0.02 ppmv (2x10-6%) 
Iodine (I) 0.01 ppmv (1x10-6%) 
Carbon monoxide (CO) 0.1 ppmv 
Ammonia (NH3) trace 
Not included in above dry atmosphere: 
Water vapor (H2O) ~0.40% over full atmosphere, typically 1%-4% at surface

Answer 2

Nitrogen (sebanyak 78% udara)