Input interpretation
period 6 elements | period
Summary
6
Period rankings
1 | radon | 6 2 | astatine | 6 3 | polonium | 6 4 | bismuth | 6 5 | lead | 6 6 | thallium | 6 7 | mercury | 6 8 | gold | 6 9 | platinum | 6 10 | iridium | 6 ⋮ | | 23 | gadolinium | 6 24 | europium | 6 25 | samarium | 6 26 | promethium | 6 27 | neodymium | 6 28 | praseodymium | 6 29 | cerium | 6 30 | lanthanum | 6 31 | barium | 6 32 | cesium | 6