CH-206
Electronic configuration
Chemistry · Secondary 3 · Easy · Electronic configuration
Which pair correctly shows the electronic configurations of potassium and calcium atoms? (Use the format 2,8,8,1 etc.)
- K: 2,8,9 ; Ca: 2,8,8,2
- K: 2,8,8,1 ; Ca: 2,8,8,2
- K: 2,8,8,2 ; Ca: 2,8,8,1
- K: 2,8,7,2 ; Ca: 2,8,8,2
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