Isotopes of Oxygen (O)

Symbol Mass Number Relative Atomic Mass Isotopic Composition
12O 12 12.034405(20)
13O 13 13.024812(10)
14O 14 14.00859625(12)
15O 15 15.0030656(5)
16O 16 15.99491461956(16) 0.99757(16)
17O 17 16.99913170(12) 0.00038(1)
18O 18 17.9991610(7) 0.00205(14)
19O 19 19.003580(3)
20O 20 20.0040767(12)
21O 21 21.008656(13)
22O 22 22.009970(60)
23O 23 23.01569(13)
24O 24 24.02047(25)
25O 25 25.02946(28)#
26O 26 26.03834(28)#
27O 27 27.04826(54)#
28O 28 28.05781(64)#

Legend

Mass Number
Relative Atomic Mass
Isotopic Composition
Standard Atomic Weight
O: [15.99903,15.99977]

Isotopic Composition