January 2019 1 174 Report
Galium terdiri atas 2 jenis isotop yaitu Ga-69 dan Ga-71.apabila massa atom relatif (Ar).galium adalah 68,8 makakelimpatian isotop Ga-69 adalah .......
A.20% B.40% C.50% D.60% E.80% jawab menggunakan cara

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