| Name | Dec 15 | Dec 16 | Dec 17 | Dec 18 | Dec 19 | Dec 20 | Dec 21 | |
|---|---|---|---|---|---|---|---|---|
| 30 Zinc | green | green | green | yellow | green | yellow | green | |
| 31 Gallium | green | green | green | yellow | green | yellow | green | |
| 32 Germanium | green | yellow | green | green | green | green | green | |
| 33 Arsenic | green | green | yellow | green | green | green | green | |
| 34 Selenium | green | yellow | green | yellow | yellow | green | green | |
| 35 Bromine | green | green | yellow | green | green | green | green | |
| 36 Krypton | green | green | green | green | yellow | green | green | |
| 37 Rubidium | green | green | green | green | green | green | green | |
| 38 Strontium | green | green | green | green | green | green | green | |
| 39 Yttrium | green | green | green | green | green | green | green |