some clues have their wordplay missing a letter
some clues have a misprint in the defn
there are clashes so crossing letters may not be correct!!
4d Humble adult ignored fool (4) TA?E
27d Noticed liquid (5) SEMEC
23a Domestic socket's acceptable aboard (5) ?O?CE
Thanks ProfessorMaisie ....got them all now .....do we fill the clashes with the 2 letters in their correct order or with their corresponding atomic numbers?