periodic-table Solutions A table of chemical elements arranged in order of atomic number has 3 entries with similar clues 12-letter wordsfluorescenceLight emission at low temperatures through chemical or atomic processluminescenceLight emission at low temperatures through chemical or atomic process15-letter wordsphosphorescenceLight emission at low temperatures through chemical or atomic process
Solutions A table of chemical elements arranged in order of atomic number has 3 entries with similar clues 12-letter wordsfluorescenceLight emission at low temperatures through chemical or atomic processluminescenceLight emission at low temperatures through chemical or atomic process15-letter wordsphosphorescenceLight emission at low temperatures through chemical or atomic process