Which of the following statements is incorrect?
A) Dalton's statement "All atoms of a given element are identical" is no longer accepted because of the existence of isotopes and ions.
B) Dalton's theory states that elements are made of tiny particles called atoms.
C) According to Rutherford,the number of protons is the same as the number of electrons.
D) According to Rutherford,the nucleus must have a positive charge to balance the negative charge of the electrons.
E) None of these
Correct Answer:
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