question_answer 43)

  State the number of atoms present in each of the following chemical species (a)                               (b)                               (c)                                (d)

Answer:

  (a) Number of atoms in  = number of C-atoms + number of O-atoms = 1 + 3 = 4 (b) Number of atoms in = number of P-atoms + number of O-atoms = 1 + 4 = 5 (c) Number of atoms in = number of P-atoms + number of O-atoms = 2 + 5 = 7 (d) Number of atoms in CO = number of C-atoms + number of O-atoms = 1 + 1 = 2