| 100% | XENON | 5 | It's next to iodine in the periodic table |
| 85% | NEON | 4 | It's next to fluorine on the periodic table |
| 85% | ARGON | 5 | It's next to chlorine on the periodic table |
| 74% | ORO | 3 | It's found next to mercurio on the periodic table |
| 62% | NEON | 4 | It's under helium in the periodic table |
| 62% | TIN | 3 | It's above lead in the periodic table |
| 62% | RADON | 5 | It's beneath xenon in the periodic table |
| 62% | XXXX | 4 | It's under helium in the periodic table |
| 60% | XENON | 5 | Element next to iodine on the periodic table |
| 60% | MANGANESE | 9 | Element next to iron on the periodic table |
| 60% | RHENIUM | 7 | Metal next to tungsten on the periodic table |
| 60% | BORON | 5 | Element next to carbon on the periodic table |
| 59% | XXXXXXXXXXXX | 12 | It's estimated to be a foot in the next 25 years |
| 59% | LEAD | 4 | It follows thallium in the periodic table |
| 56% | SOHO | 4 | It's next to Mayfair, in London |
| 55% | INERT | 5 | With 79-Across, entry in the periodic table's last column |
| 55% | MOTH | 4 | It's bad to keep in the closet |
| 54% | AIRBAG | 6 | It's subject to inflation in the auto industry |
| 54% | FALLISSUE | 9 | It's bound to run in the third quarter |
| 53% | IRON | 4 | Fe, in the periodic table |
| 53% | BEAUTY | 6 | It's said to be in the eye of the beholder |
| 52% | NOBLEGASES | 10 | One column in the periodic table |
| 52% | GASES | 5 | Rightmost column in the periodic table |
| 52% | BACON | 5 | Strips on the table next to eggs in the morning, often |
| 52% | XENON | 5 | Element above radon in the periodic table |
| 52% | TIN | 3 | Element above lead in the periodic table |
| 52% | ZIRCONIUM | 9 | Alphabetically last element in the periodic table |
| 52% | HYDROGEN | 8 | Element number 1 in the Periodic Table |
| 52% | ZIRCONIUM | 9 | Last element alphabetically in the periodic table |
| 51% | OIL | 3 | It's referred to as "black gold" and "Texas tea" in "The Beverly Hillbillies" theme song |