| Atomic number 18 | 16 |
| Atomic number 26 | 16 |
| Atomic number 30 | 16 |
| Atomic number 44 symbol | 23 |
| Atomic number 49 | 16 |
| Atomic number 5 | 15 |
| Atomic number 50 | 16 |
| Atomic number 53 | 16 |
| Atomic number 54 | 16 |
| Atomic number 55 | 16 |
| Atomic number 56 | 16 |
| Atomic number 68 | 16 |
| Atomic number 74 | 16 |
| Atomic number 75 | 16 |
| Atomic number 86 | 16 |
| Atomic number 88 | 16 |
| Atomic number 96 | 16 |
| Atomic number of helium | 23 |
| Atomic number of hydrogen | 25 |
| Atomic number of neon | 21 |
| Atomic number of nitrogen | 25 |
| Atomic or kinetic | 17 |
| Atomic or Space | 15 |
| Atomic orbiter | 14 |
| Atomic org. | 11 |
| Atomic pacts | 12 |
| Atomic particle | 15 |
| Atomic particles | 16 |
| Atomic physicist | 16 |
| Atomic physicist Enrico | 23 |
| Atomic physicist Niels | 22 |
| Atomic physicist Niels ___ | 26 |
| Atomic pile | 11 |
| Atomic piles | 12 |
| Atomic pioneer | 14 |
| Atomic prefix | 13 |
| Atomic process | 14 |
| Atomic quality in chemistry | 27 |
| Atomic reactor | 14 |
| Atomic reactor areas | 20 |
| Atomic reactor part | 19 |
| Atomic reactors, for short | 26 |
| Atomic rearrangements | 21 |
| Atomic structure | 16 |
| Atomic suffix | 13 |
| Atomic test site, perhaps | 25 |
| Atomic tests | 12 |
| Atomic trials of the past | 25 |
| Atomic unit | 11 |
| Atomic units | 12 |
| Atomic ___ | 10 |
| Atomic ___ (Crayola color formerly called Chartreuse) | 53 |
| Atomic ____ | 11 |
| Atomic ____: abbr. | 18 |
| Atomic, for one | 15 |
| Atomic-energy source | 20 |
| Atomic-energy unit | 18 |
| Atomic-plant danger | 19 |
| Atomic? | 7 |
| Atomically numerically equivalent ___ (useless simile) | 54 |
| Atomically related compounds | 28 |
| Atomistic; unitary | 18 |
| Atomize | 7 |
| Atomized | 8 |
| Atomizer | 8 |
| Atomizer amount | 15 |
| Atomizer fillers | 16 |
| Atomizer output | 15 |
| Atomizer outputs | 16 |
| Atomizer scent | 14 |
| Atomizer spray | 14 |
| Atomizer sprays | 15 |
| Atomizer's output | 21 |
| Atomizer's release | 22 |
| Atomizers | 9 |
| Atomizers' contents | 23 |
| Atoms | 5 |
| Atoms for Peace bassist | 23 |
| Atoms for Peace pres. | 21 |
| Atoms having electrical charges | 31 |
| Atoms in some light bulbs | 25 |
| Atoms that have gained or lost electrons | 40 |
| Atoms with + or – symbols | 29 |
| Atoms with a charge | 19 |
| Atoms with charges | 18 |
| Atoms with the same number of protons | 37 |
| Atonal | 6 |
| Atone | 5 |
| Atone (for) | 11 |
| Atone for | 9 |
| Atone for a hasty marriage, in an old saying | 44 |
| Atoned | 6 |
| Atoned for | 10 |
| Atoned for, as sins | 19 |
| Atonement | 9 |
| Atonement for sins | 18 |
| Atonement from a soda jerk? | 27 |
| Atonement, in Hebrew | 20 |
| Atoner | 6 |
| Atoner's worry | 18 |