Which of the following is NOT true according to Rutherford’s atomic model?
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A.
The nucleus is surrounded by a cloud of electrons.
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B.
Most of the space within the atom is empty.
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C.
The total positive charge of the nucleus is greater than the total negative charge of the electrons in the atom.
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D.
All the positive charge and mass of an atom are concentrated in a very small region.
Correct Answer:
C. The total positive charge of the nucleus is greater than the total negative charge of the electrons in the atom.
Explanation:
Rutherford's atomic model proposes that an atom consists of a tiny, dense, positively charged nucleus containing nearly all its mass, surrounded by electrons. In a neutral atom, the number of electrons equals the number of protons, meaning the total negative charge of the electron cloud exactly balances the total positive charge of the nucleus. Therefore, the statement claiming the total positive charge is greater than the total negative charge is incorrect, as it would describe an ion rather than a neutral atom according to Rutherford's findings.
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