A) H+12O-2
(+2) (-2)=0
B) Al0
C) Br20
D) H+1Br-1
(+1)(-1)=0
E) H+1Br+1O-2
(+1)(+1)(-2) = 0
F) H+1Br+3O-2
(+1) (+3) (-4) = 0
G) H+1Br+5O-23
(+1) (+5) (-6)=0
H) H+1Br+7O-24
(+1) (+7) (-8) = 0
i) H+12S+60-24
(+2) (+6) (-8) =0
J) H+1N+5O-23
(+1)(+5)(-6) = 0
K) H+12S-2
(+2)(-2)=0
L) H+12C+4O-23
(+2)(+4)(-6)=0
M) H+13P+5O-24
(+3)(+5)(-8)=0
N) K+1Mn+70-24
(+1)(+7)(-8)=0
Ñ) N+3H4+1O-2H+1
(-3)(+4) (-2)(+1)=0
O) K+12Cr+62O-27
(+2)(+12)(-14) =0
P) Cu+2O-2
(+2)(-2)=0
Q) Cu+2 (N+5O-23)2
(+2) (+10-12)= 0
R) (H-3N+14)3P+5O-24
(-9) (12)(+5)(-8)=0
S) Fe+2O-2
(+2)(-2)=0
T) Fe+32O-23
(+6)(-6)=0
U) N+2O-2
(+2)(-2)=0
V) Si0
(0)=0
W) Ca+2S+6O-24
(+2)(+6)(-8)=0
X) Al+3 (NO3)3
(+3)(+15)(-18)=0
Y) Mg+2S-2
(+2)(-2)=0
Z) Rb+1H-1
(+1)(-1)=0A1) Mg2 O-12
(+2)(-2)=0
B1) C+4O-22
(+4)(-4)=0
C1) C0
D1) N+4O-22
(+4)(-4)=0
E1) Sr+2 (O-2H+1)2
(+2) (-4)(+2)=0
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