Question

Matter chemically classified into two types as
pure and mixed substances. Mixtures are again
classified as Homogeneous and
Heterogeneous and pure substances are
classified into elements and compounds.
The following is not polyatomic__________
a) monoclinic sulfur
b) helium gas
c) ozone gas
d) oxygen gas​

Answer 1

Answer:

c) ozone gas 8s the answer to your question..