Answer: The correct options are (C)(D) and (E).
Explanation:
Molecules is defined as group of two or more numbers of atoms of same or different elements. For example:[tex]S_8, H_2O, NH_3[/tex] etc.
[tex]MgCl_2[/tex] is a molecule made up of one magnesium and two chlorine atoms.
NaCl is molecule made up of one sodium and one chlorine atom
[tex]C_3H_8[/tex] is molecule made up of three carbon atoms and eight hydrogen atoms.
Hence, the correct options are (C)(D) and (E).