1.

Which statement(s) is/are CORRECT regarding Dalton’s Atomic theory?_x005F_x000D_  _x005F_x000D_ I. All matters are made of very tiny particles._x005F_x000D_ II. Atoms of different elements have different masses and chemical properties._x005F_x000D_ III. The relative number of atoms is variable in any compound._x005F_x000D_

A. Only I and II
B. Only I and III
C. Only II and III
D. All I, II and III
Answer» B. Only I and III


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