| Date | Grid | Clue | Author | Editor |
| Sat, Jul 22, 2023 | 37A | Periodic table no. | Robert Logan | Shortz |
| Sun, Jul 16, 2017 | 103A | 12.01, for carbon: Abbr. | Andrea Carla Michaels and Pete Muller | Shortz |
| Sun, Jan 22, 2017 | 110D | Fig. on a periodic table | Dan Schoenholz | Shortz |
| Tue, Sep 27, 2016 | 43A | No. on a periodic table | Robert Cirillo | Shortz |
| Sun, Jul 06, 2014 | 108D | Periodic table abbr. | Daniel C. Bryant | Shortz |
| Tue, Sep 10, 2013 | 6D | No. in chemistry | Zhouqin Burnikel | Shortz |
| Sun, Feb 24, 2013 | 71D | Silver's is 107.87: Abbr. | Joe DiPietro | Shortz |
| Mon, Feb 28, 2011 | 13D | No. on a periodic table | Mike Buckley | Shortz |
| Sun, Aug 29, 2010 | 54D | Elementary figure: Abbr. | Derek Bowman | Shortz |
| Sat, Dec 12, 2009 | 1D | Bit of elementary knowledge?: Abbr. | Karen M. Tracey | Shortz |
| Sun, Aug 03, 2008 | 41D | Al's is almost 27 | Peter A. Collins and Joe Krozel | Shortz |
| Wed, Apr 02, 2008 | 26D | Periodic table no. | Patrick Merrell | Shortz |
| Tue, Oct 02, 2007 | 35D | 1, for hydrogen: Abbr. | Oliver Hill | Shortz |
| Wed, Feb 14, 2007 | 36A | Periodic table abbr. | Paula Gamache | Shortz |
| Fri, Dec 02, 2005 | 1A | No. for Na or Ni | Patrick Merrell | Shortz |
| Sun, Apr 04, 2004 | 34D | Periodic table abbr. | Manny Nosowsky | Shortz |
| Sat, Jun 07, 2003 | 50D | Elementary abbr. | Sherry O. Blackard | Shortz |
| Sun, Apr 09, 2000 | 11D | No. on a certain table | Joe DiPietro | Shortz |