Input interpretation
![alkali metals | period](../image_source/d769def41a1b57d6e5d3dadd01efefa5.png)
alkali metals | period
Summary
![2 | 3 | 4 | 5 | 6 | 7](../image_source/23e8e759e687bf62c0b59229147302ca.png)
2 | 3 | 4 | 5 | 6 | 7
Period rankings
![1 | lithium | 2 2 | sodium | 3 3 | potassium | 4 4 | rubidium | 5 5 | cesium | 6 6 | francium | 7](../image_source/2089a4d66327cab9e749c76ab4e0d4f7.png)
1 | lithium | 2 2 | sodium | 3 3 | potassium | 4 4 | rubidium | 5 5 | cesium | 6 6 | francium | 7