Which of the following atoms will have the largest and the smallest size?
#Mg#
#Mg^(+2)#
#Al#
#Al^(+3)#
1 Answer
Sep 4, 2016
Atomic size DECREASES across a Period (left to right as we face the Table) and INCREASES down a Group.
Explanation:
So, with respect to the atoms, aluminum (
With respect to the ions, both
So we've made a prediction. Our job is not finished as physical scientists; we need data on the ionic radii. You will find this on the web; suitable units would be