2 players · Choose your cards

Periodic Trends Strategy Battle

7 element cards and 3 ion cards each · 7 element rounds and 3 Ionic Radius rounds · 10 rounds, fixed hands, no refills. Each element trend appears before any repeats; ion rounds are mixed into the order.

Calculated atomic radii and Shannon CN6 ionic radii; other properties from the Solo Ranking reference data. Supplemental values await teacher verification.