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12 Dec 2019
Part A:
Above what atomic number are there no stable isotopes of any element?
A. 20
B. 89
C. 83
D. 40
E. 92
Part A:
Above what atomic number are there no stable isotopes of any element?
A. 20
B. 89
C. 83
D. 40
E. 92
1 Feb 2022
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Nelly StrackeLv2
13 Dec 2019
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