Isotopes of nickel
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Naturally occurring nickel (28Ni) consists of five stable isotopes; 58Ni, 60Ni, 61Ni, 62Ni and 64Ni; 58Ni is the most abundant (68.077% natural abundance). 26 radioisotopes have been characterized; the most stable are 59Ni with a half-life of 81,000 years, 63Ni with a half-life of 100.1 years, and 56Ni (6.077 days). All the other radioactive isotopes have half-lives of less than 60 hours and most of these have half-lives of less than 30 seconds. This element also has 8 meta states.