Rachel San
New member
Please explain so i can understand my homework!! thanks!! 
1. How can sodium ions, magnesiun ions, and aluminum ions have the same electron configuration but not the same ionic radii?
2. Why does potassiom react more vigoroulsy with water than lithium does?
1. How can sodium ions, magnesiun ions, and aluminum ions have the same electron configuration but not the same ionic radii?
2. Why does potassiom react more vigoroulsy with water than lithium does?