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Chemistry · Structure of atom

हिन्दी

Given below are two statements: Statement I: The mass of an electron is about \( 9.109382 \times 10^{-31} \text{ kg} \), which is roughly 1/1836th of a proton mass. Statement II: Neutrons are electrically neutral particles with a mass slightly less than that of protons. In the light of the above statements, choose the most appropriate answer from the options given below:

  1. Both Statement I and Statement II are correct.
  2. Both Statement I and Statement II are incorrect.
  3. Statement I is correct but Statement II is incorrect.
  4. Statement I is incorrect but Statement II is correct.

Correct answer · Option 3

Statement I is correct but Statement II is incorrect.

Explanation

Statement I is correct. Statement II is incorrect because neutron mass is slightly greater than that of protons, not less.
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