Average atomic weight: 69.723(1) u
| Isotope | Fraction | Atomic weight/u |
| 69 | 0.60108(9) | 68.9255735(13) |
| 71 | 0.39892(9) | 70.92470258(87) |
Atomic weights and isotopic compositions were obtained from NIST Database 144
Ga I (Ga-like): 244 levels, 6507 lines (E1: 6306 IC: 200 M1: 1), transition probabilities for 24 lines
Ga II (Zn-like): 95 levels, 978 lines (E1: 836 IC: 138 M1: 2 E2: 1 M2: 1), transition probabilities for 66 lines
Ga III (Cu-like): 60 levels, 587 lines (E1: 386 IC: 201), transition probabilities for 101 lines
Ga IV (Ni-like): 191 levels, 4847 lines (E1: 3566 IC: 1273 M1: 5 E2: 3), transition probabilities for 2 lines
Ga V (Co-like): 86 levels, 580 lines (E1: 226 IC: 240 M1: 40 E2: 74), transition probabilities for 8 lines
Ga VI (Fe-like): 157 levels, 3298 lines (E1: 945 IC: 1603 M1: 227 E2: 523), transition probabilities for 26 lines
Ga VII (Mn-like): 4 levels, 4 lines (M1: 2 E2: 2), transition probabilities for 2 lines
Ga XIII (K -like): 10 levels, 14 lines (E1: 13 M1: 1), transition probabilities for 1 lines
Ga XIV (Ar-like): 3 levels, 2 lines (E1: 1 IC: 1), transition probabilities for 0 lines
Ga XV (Cl-like): 7 levels, 10 lines (E1: 9 M1: 1), transition probabilities for 1 lines
Ga XVI (S -like): 11 levels, 27 lines (E1: 9 IC: 9 M1: 5 E2: 4), transition probabilities for 5 lines
Ga XVII (P -like): 12 levels, 41 lines (E1: 17 IC: 11 M1: 9 E2: 4), transition probabilities for 9 lines
Ga XVIII (Si-like): 18 levels, 53 lines (E1: 24 IC: 20 M1: 5 E2: 4), transition probabilities for 5 lines
Ga XIX (Al-like): 9 levels, 13 lines (E1: 12 M1: 1), transition probabilities for 1 lines
Ga XX (Mg-like): 28 levels, 117 lines (E1: 62 IC: 51 M1: 2 E2: 1 M2: 1), transition probabilities for 2 lines
Ga XXI (Na-like): 26 levels, 105 lines (E1: 105), transition probabilities for 105 lines
Ga XXII (Ne-like): 19 levels, 40 lines (E1: 40), transition probabilities for 0 lines
Ga XXIII (F -like): 36 levels, 61 lines (E1: 41 IC: 19 M1: 1), transition probabilities for 1 lines
Ga XXIV (O -like): 19 levels, 59 lines (E1: 28 IC: 22 M1: 5 E2: 4), transition probabilities for 5 lines
Ga XXV (N -like): 12 levels, 21 lines (E1: 16 IC: 1 M1: 2 E2: 2), transition probabilities for 2 lines
Ga XXVI (C -like): 6 levels, 6 lines (E1: 5 M1: 1), transition probabilities for 1 lines
Ga XXX (He-like): 36 levels, 219 lines (E1: 142 IC: 76 M1: 1), transition probabilities for 139 lines
Ga XXXI (H -like): 100 levels, 917 lines (E1: 917), transition probabilities for 917 lines
(Atomic Line List v3.00b5)
