Answer | Crossword Clue |
---|---|
NEON | Element having atomic number 10 |
ISOTOPE | Element having same atomic number as another. |
BORON | Element with atomic number 5 |
IRON | Element, its atomic number 26. |
ISOTOPE | Element resembling another in atomic number but not weight. |
BORON | Element with a low atomic number that is not found naturally on Earth |