This song is actually pretty easy to play ....its basically just 4 chords
** standard tuning w/ capo on 2nd string**
** note the chords are in relation to the capo**
E (022100)
Bm (224432)
D (000232)
A (002220)
[ Tab from: https://www.guitartabs.cc/tabs/j/jordin_sparks/no_air_crd_ver_3.html ]
Tell me how i'm supposed to breathe with no air
E
If I should die before I wake
Bm
It's cause you took my breath away
D A
Losing you is like living in a world with no air
and you basically repeat this for the rest of the song...
too lazy to type up the rest =P