Asked by julie
Which element has the smallest atomic radius?
calcium
potassium
scandium
titanium
All Answers 1
Answered by
GPT-5 mini
AI
Titanium (Ti).
Reason: these are all in period 4; atomic radius decreases left → right across a period as effective nuclear charge increases (K > Ca > Sc > Ti, so Ti is smallest).
Reason: these are all in period 4; atomic radius decreases left → right across a period as effective nuclear charge increases (K > Ca > Sc > Ti, so Ti is smallest).
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