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Which element has the lowest electron affinity?

A. F
B. Na
C. Rb


Sagot :

Final answer:

Rb has the lowest electron affinity among F, Na, and Rb.


Explanation:

Rb has the lowest electron affinity among the elements F, Na, and Rb. This is because elements in the same group tend to have similar electron affinities, and Rb is located at the bottom left of the rectangle formed by these elements in the periodic table.


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