| Answer | Crossword Clue |
|---|---|
| BARIC | Like a GI series, chemically |
| actinon | chemically inert, gaseous, short-lived isotope of radon that is a member of the actinium series. Symbol: An; at. no.: 86; at. wt.: 219 |
| actinons | chemically inert, gaseous, short-lived isotope of radon that is a member of the actinium series. Symbol: An; at. no.: 86; at. wt.: 219 |
| GASTRO | Part of a GI series? |
| GASTRO | GI series component |
| BARIUM | GI series element |
