157k views
5 votes
. Arrange the following in order of increasing radius:

a) Mg2+, Na+, Al3+
b) Na+, Al3+ , Mg2+
c) Mg2+ , Al3+ , Na+
d) Al3+ , Mg2+, Na+

1 Answer

6 votes

Answer:

d

Step-by-step explanation:

because nuclear charge ( no. of protons) increases

User Damjan
by
7.3k points