Q. Nucleon number of an element is equal to the

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Q. Full shell of valence electrons make

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Q. Energy levels of electrons are also called as

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Q. Inert gases have

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Q. Proton number of Fluorine (F) is 9, electron number is

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Q. In periodic table, number of valence electron is one, in

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Q. Elements and their isotopes have different

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Q. In tritium, number of neutrons is

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Q. The number of times a p⁺ is heavier than an e⁻ is

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Q. An Electric field deflects the beams of

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Q. By exposure of electrons beams on atoms and observing their behavior upon the fall of the beam can help to determine

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Q. When electrons are passed through the electromagnetic field, electrons are deflected away from

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Q. The -1.6x10⁻¹⁹ C is the charge on single

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Q. The particles which revolve around the nucleus are called

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Q. The pathway of electron is called

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Q. The number of protons and the number of electrons are always equal in

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Q. The beam of electrons can be produced with the help of

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Q. Charge to mass ratio was first calculated by

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Q. Attractions of electrons towards anode shows

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Q. Protons are deflected from anode which reveals their

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