| 100% | ION | 3 | Atom with unequal number of protons and electrons |
| 55% | MASS | 4 | Total number of protons and neutrons in an atom |
| 48% | ISOTOPES | 8 | Atoms with the same number of protons |
| 44% | ISOTONE | 7 | Either of two species of atoms with the same number of neutrons and a different number of protons |
| 42% | ATOM | 4 | Particle made up of protons, neutrons, and electrons |
| 41% | ION | 3 | Atom with a couple of electrons missing |
| 41% | ATOM | 4 | Particle with protons and electrons |
| 39% | ATOM | 4 | Chemical structure with protons and electrons |
| 39% | ATOM | 4 | Small particle with protons and electrons |
| 39% | ATOM | 4 | Particle with a proton and electron |
| 39% | ION | 3 | Atom in which electrons and protons don't equal |
| 38% | ELECTRONS | 9 | Three parts of an atom: protons, neutrons, and __ |
| 37% | ATOM | 4 | Tiny particle with protons, electrons, and neutrons |
| 36% | EVENPAR | 7 | What golfers with equal numbers of squares and circles on their scorecards shoot |
| 35% | ATOM | 4 | It contains protons and electrons |
| 35% | ATOMS | 5 | They contain protons and electrons |
| 35% | ATOM | 4 | Home for protons and electrons |
| 34% | ATOMICCAGE | 10 | Holder of pet electrons, protons and neutrons? |
| 34% | ISOTOPES | 8 | Same number of protons, different neutrons |
| 34% | IONS | 4 | Atoms with extra electrons |
| 33% | ION | 3 | Atom with an extra electron |
| 33% | SEPT | 4 | Number of dwarfs with Blanche Neige |
| 33% | FORTY | 5 | Number of thieves with Ali Baba |
| 33% | ATOM | 4 | Building block of matter made of protons, electrons, and neutrons |
| 33% | DOUBLEBOND | 10 | Molecular link with two pairs of electrons shared by two atoms |
| 33% | ISOMER | 6 | Compound with the same number of atoms in a different arrangement |
| 32% | ONE | 3 | Number of seasons "Freaks and Geeks" lasted |
| 32% | ONE | 3 | Number of state capitals with thirteen letters |
| 32% | ONE | 3 | Number of states with the letter J |
| 32% | ONE | 3 | Number of countries that start with "Y" |