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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
Which of the following statements is false?
  • ✓
    Nucleus of atom contains only nucleons (neutrons and protons) was proposed by Rutherford.
  • B
    Neutron is sum of electrons and protons, therefore it is neutral.
  • C
    Mass of electron is 1/1840 times that of proton.
  • D
    Matter is electrically neutral in nature.
✓

Answer

Correct option: A.
Nucleus of atom contains only nucleons (neutrons and protons) was proposed by Rutherford.

Thomson proposed that the nucleus of an atom contains only nucleons.

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