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Chemistry
Chemistry
Problem
A positron is emitted by
11
23
Na
{}_{11}^{23}\text{Na}
11
23
Na
. The ratio of the atomic mass and atomic number of the resulting nuclide is: a.
22
/
10
22/10
22/10
b.
22
/
11
22/11
22/11
c.
23
/
10
23/10
23/10
d.
23
/
12
23/12
23/12
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