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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Q. Neutrons (n⁰) are neutral and carry

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Q. The major part of an atom is

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Q. Protons (p⁺) and neutrons (n⁰) constitute the

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Q. The tiny area in the center of atom is concentrated with mass and is known as

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Q. The atomic number of Strontium (Sr) is

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Q. The atomic number of Barium (Ba) is

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Q. Enthalpy change after formation of 1 mole of gaseous atoms from its element is called enthalpy change of

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Q. Electron affinities which are always endothermic

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Q. Successive electron (e⁻) affinities must be used when element forms an ion with more than one

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Q. Energy change due to acceptance of one electron (e⁻) by gaseous non-metal atom is

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