Arrange the following cations in order of decreasing size :Ra2+,Sr2+,Ca2+,Ba2+.Also explain it.

Question

Kartik · Accepted Answer

As we know that on moving downwards in a group size decreases in periodic table.Therefore the order of decreasing size of the cations is : Ra2+>Ba2+>Sr2+>Ca2+.

DrBob222 · Answer

Size increases as you go down the periodic table and increases as you go from right to left on the table. https://en.wikipedia.org/wiki/Periodic_trends#/media/File:Periodic_trends.svg

Jivika · Answer

Thanks