| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Carbon atoms can form 4 of these with other atoms; in carbene molecules, they form just 2 | bonds | $800 | DJ | TIME FOR SCIENCE | 2024-07-23 | #9152 | |
| A steam iron smoothes wrinkles because heat breaks these between molecules of cellulose in fiber like cotton | bonds | $800 | DJ | STEAMY SCIENCE | 2019-01-21 | #7911 | |
| These linkages holding groups of atoms together can be coordinate, electrovalent or covalent | bonds | $500 | J | SCIENCE | 1991-09-12 | #1614 |