| NOBLEGAS | Description of an element occupying Group 18 of the periodic table: helium, neon, argon, krypton, xenon or radon (5,3) |
| GOLD | Element occupying group 11 of the periodic table with copper, silver and roentgenium (4) |
| INERTGASES | Elements occupying Group O (5,5) |
| RETINUE | European element occupying Parisian street as a set of followers? (7) |
| INERT | Like group 18 elements |
| NOBLE | Helium, neon, argon, krypton, xenon, and radon are the members of which group of gases? (5) |
| RAREGAS | Any of the unreactive elements helium, neon, argon, krypton, radon and xenon (4,3) |
| GASES | Helium, neon, argon, krypton, xenon and radon are the six noble ___. (5) |
| INERTGAS | Any of helium, neon, argon, krypton, xenon and radon |
| NOBLEGASES | Name for helium, neon, argon, krypton, xenon and radon |
| NEON | Element that shares a group of the periodic table with argon, helium, krypton, radon and xenon (4) |
| GOOSTREY | An ancient farming village off Junction 18 of the M6, near Jodrell Bank Observatory; the parish contains the hamlet of Blackden (8) |
| RUTHENIUM | Rare metallic element in the platinum group of the periodic table (9) |
| HALOGENS | It refers to the elements of group 17 of the periodic table (8) |
| HALOGEN | Any one of the six nonmetallic elements constituting group 17 of the periodic table (7) |
| GROUP | Any one of the 18 elemental columns of the periodic table (5) |
| ALKALI | - metal; any one of the six elements constituting Group 1 of the periodic table including lithium, potassium and sodium (6) |
| ZINC | The first chemical element in group 12 of the periodic table, last but one when listed alphabetically (4) |
| RAMSAY | British chemist who discovered neon, argon, krypton and xenon, and won the 1904 Nobel Prize in Chemistry (last name only) |
| GAS | Any element in the rightmost column of the periodic table |
