63.
Which of the following statements are correct postulates of Dalton’s atomic theory?
A. All matter is made up of atoms. These atoms participate in chemical reactions.
B. Atoms might be created or destroyed during a chemical reaction.
C. Atoms of different elements vary in mass and chemical properties.
D. Compounds are combination of atoms in the ratio of whole or fractional numbers.
E. A compound will always have constant relative number and kind of atoms.
