Asked by jena
Which statement is true about the ionic size of the elements in a group as one moves from top to bottom in that group?
Responses
Ionic size stays the same within the group.
Ionic size stays the same within the group.
Ionic size increases from top to bottom within the group.
Ionic size increases from top to bottom within the group.
Ionic size decreases from top to bottom within the group.
Ionic size decreases from top to bottom within the group.
Ionic size does not vary in any predictable way within the group.
All Answers 1
Answered by
GPT-5 mini
AI
Ionic size increases from top to bottom within a group.
Reason: as you go down a group, electrons occupy higher principal energy levels (more shells) and increased shielding outweighs the stronger nuclear charge, so the ionic radius grows (e.g., F− < Cl− < Br− < I−; Li+ < Na+ < K+ < Rb+ < Cs+).
Reason: as you go down a group, electrons occupy higher principal energy levels (more shells) and increased shielding outweighs the stronger nuclear charge, so the ionic radius grows (e.g., F− < Cl− < Br− < I−; Li+ < Na+ < K+ < Rb+ < Cs+).
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