| Answer | Crossword Clue |
|---|---|
| NEON | Light element |
| HYDROGEN | Light element |
| BEAM | Light element |
| NEON | Light element? |
| XENON | Strobe light element |
| OSMIUM | Element in light filaments |
| TUNGSTEN | Element in light bulbs. |
| TUNGSTEN | Element used in light bulb filaments |
| HELIUM | Light element, and a hint to how the answers to starred clues have been inflated |
