| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| A substance that's neutral, neither acid nor alkaline, has this number on the pH scale | 7 | $400 | DJ | OUR CHEMISTRY IS PALPABLE | 2025-05-19 | #9336 | |
| Alkali elements react with halogen elements because alkalis have 1 valence shell electron & halogens have this many | 7 | $2,000 | DJ | ELEMENTAL FACTS | 2020-09-28 | #8246 | |
| Neutral number on the pH scale | 7 | $1,000 | DJ | CHEMISTRY | 1984-11-22 | #54 |