Solutions The heaviest atom has 4 entries with similar clues
- 4-letter words
- taftheaviest american president
- 5-letter words
- radonHeaviest inert gas
- 11-letter words
- john-daltonEnglish chemist who formulated modern atomic theory
- 23-letter words
- niels-henrik-david-bohrDanish physicist and pioneer in quantum physics whose theory of the structure of atom incorporated quantum theory for the first time