S-P Ionic Radii

Question 1

Si-O

Answer 1

0.3 A

Coordination (4)

Question 2

Al-O

Answer 2

0.5 A (0.39 or 0.54)

Coordination (4 or 6)

Question 3

Mg-O

Answer 3

0.7 A

6

Question 4

Fe(iI)-O

Answer 4

0.8 A

6

Question 5

Na-O
And
Ca-O

Answer 5

1 A

8

Question 6

K-O

Answer 6

1.4 A

10 or 12