Rutherford concluded that central part of an atom is:
Correct answer: B. Positively charged
- A. Electrically neutral
- B. Positively charged
- C. Negatively charged
- D. None of above
Explanation
(a) Electrically neutral: This option is not correct. Rutherford's experiment showed that the central part of an atom, called the nucleus, actually has a positive charge.(b) Positively charged: This option is correct. Rutherford's experiment led him to conclude that the central part of an atom, the nucleus, is positively charged. This discovery revolutionized our understanding of atomic structure.(c) Negatively charged: This option is not correct. Rutherford's experiment revealed that the majority of the atom's mass and positive charge is concentrated in the nucleus, which means it has a positive charge, not a negative charge.(d) None of the above: This option is not correct. Based on Rutherford's experiment, the correct answer is that the central part of an atom is positively charged.
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Atoms emit or absorb light at specific wavelengths because electrons occupy quantized energy levels and change levels by absorbing or releasing photons. The topic covers emission and absorption spectra, spectral series, hydrogen’s line spectrum, energy-level transitions, and the relation between wavelength, frequency and photon energy.
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