Question

Q8. Copper exists in two isotopic forms, Cu-63 and Cu-65 but its atomic mass is 63.5 u. This indicates the ratio of Cu-63 and Cu-65 is approximately;

(a) 1:2 (b) 2:1 (c) 3:1 (d) 1:3​

Answer 1

Answer:

a

Explanation:

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