| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Selenium has the atomic number 34, meaning it has 34 of these in its nucleus | protons | $800 | J | THE ELEMENTS | 2019-03-27 | #7958 | |
| A base receives these subatomic particles; acids give them up | protons (hydrogen ions accepted) | $1,200 | DJ | CHEMISTRY | 2014-12-12 | #6960 | |
| An acid gives up these subatomic particles; a base receives them | Protons | $800 | DJ | CHEMISTRY | 1997-02-04 | #2867 |