Chemistry Practice Problems Periodic Trends Practice Problems Solution: Silver and rubidium both form +1 ions, but silver ...

Solution: Silver and rubidium both form +1 ions, but silver is far less reactive. Suggest an explanation, taking into account the ground-state electron configurations of these elements and atomic radii.

Problem

Silver and rubidium both form +1 ions, but silver is far less reactive. Suggest an explanation, taking into account the ground-state electron configurations of these elements and atomic radii.

Solution

We are asked to explain why Silver (Ag) is far less reactive than Rubidium (Rb) taking into account the ground-state electronic configuration of these elements and atomic radii.


Silver and rubidium belong in the 5th period of the periodic table


The condensed electronic configuration of the atoms are as follows:

 Rb: [Kr] 5s1

 Ag: [Kr] 4d105s1

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