Question

Increasing order of ionic radius among Al
3+
+, Mg 2+, 02-F is
A F; Mg 2+, Al3+, o 2-
B
Mg 2+, F5,0 2-, Al 3+
С
Al3+, Mg2+, F:02
D
Al 3+, Mg 2+, o 2,7​

Answer 1

Answer:

which class do you read i dont understand this mathematic

Answer 2

Answer:

c

Explanation:

I know this. it is about repulsion between electrons and attraction to protons