| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| 1751:Axel Cronstedt discovers this--the element, in a mineral, not the coin in his pants pocket | nickel | $400 | J | SCIENCE OF THE TIMES | 2003-05-30 | #4330 | |
| This metal whose symbol is Ni is slightly magnetic | nickel | $100 | J | SCIENCE | 1995-06-21 | #2503 |