| 100% | ATOM | 4 | Particle made up of protons, neutrons, and electrons |
| 55% | ATOM | 4 | Building block of matter made of protons, electrons, and neutrons |
| 51% | ATOM | 4 | Tiny particle with protons, electrons, and neutrons |
| 51% | ATOMICCAGE | 10 | Holder of pet electrons, protons and neutrons? |
| 49% | HADRON | 6 | Subatomic particle made up of quarks |
| 47% | ATOM | 4 | Protons, neutrons and electrons reside inside it |
| 45% | ION | 3 | Atom with unequal number of protons and electrons |
| 45% | ONES | 4 | "Binary system is made up of ___ and zeros." |
| 45% | GARLIC | 6 | Pungent vegetable made up of cloves and bulbs |
| 45% | NEBULA | 6 | Space cloud, made up of gases and dust |
| 45% | AGUA | 4 | It's made up of hidrógeno and oxígeno |
| 45% | EAU | 3 | It's made up of hydrogène and oxygène |
| 45% | SLEDTEAM | 8 | Sporting collective made up of mushers and dogs |
| 45% | OCTETS | 6 | Oxygen's protons, neutrons and electrons |
| 45% | IMMUNE | 6 | System made up of white blood cells and antibodies |
| 44% | DARKMATTER | 10 | It’s made up of WIMPs (Weakly Interacting Massive Particles) |
| 43% | ATOM | 4 | Particle with electrons and neutrons |
| 43% | HAIKUS | 6 | Poems made up of / Five syllables then seven / And then five again |
| 43% | HADRON | 6 | Type of subatomic particle made up of quarks |
| 42% | MASS | 4 | Total number of protons and neutrons in an atom |
| 42% | BAGPIPES | 8 | Instrument made up of a chanter and several drones |
| 41% | ATOM | 4 | Particle with protons and electrons |
| 40% | OXYGEN | 6 | Air is made up of mostly nitrogen and this gas |
| 40% | JAW | 3 | Mouth part made up of the mandible and the maxilla |
| 40% | PROTONS | 7 | Particles composed of two up quarks and one down quark |
| 39% | NUCLEUS | 7 | The part of the atom containing protons and neutrons |
| 39% | LAURELANDHARDY | 14 | Comedy duo made up of skinny Stan and fat Oliver: 3 wds. |
| 39% | KAONS | 5 | Particles consisting of a strange quark and an up or down antiquark |
| 39% | INTESTINE | 9 | The bowel is made up of the large and small __ |