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Topic: Alpha-particle scattering, Rutherford's model· Atoms and Nuclei

Given below are two statements :Statement I : Atoms are electrically neutral as they contain equal number of positive and negative charges.Statement II : Atoms of each element are stable and emit their characteristic spectrum.In the light of the abov…

Given below are two statements :

Statement I : Atoms are electrically neutral as they contain equal number of positive and negative charges.

Statement II : Atoms of each element are stable and emit their characteristic spectrum.

In the light of the above statements, choose the most appropriate answer from the options given below :

1. Statement I is incorrect but Statement II is correct.

2. Both Statement I and Statement II are correct.

3. Both Statement I and Statement II are incorrect.

4. Statement I is correct but Statement II is incorrect.

1 answer

Best answer

Answer: 4. Statement I is correct but Statement II is incorrect.

Key idea: Check each statement on its own.

  • Statement I: An atom has equal numbers of protons and electrons, so it is neutral. Correct.
  • Statement II: Atoms are stable, but they emit their characteristic spectrum only when excited (by heat, discharge etc.). Saying every atom emits its spectrum as such is not right, so this statement is incorrect.

I is correct and II is incorrect: option 4.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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