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CHHAYA PUBLICATION-STRUCTURE OF ATOM-WARM UP EXERCISE
- Calculate the charge of 1 mol electron.
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- What happens when high velocity cathode rays strike a tungsten foil?
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- The charge to mass ratio of an electron is 1836 times greater than tha...
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- What is the source of anode rays in discharge tube?
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- Two discharge tubes containing H(2) and O(2) gas respectively are subj...
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- A discharge tube containing H(2) gas at low pressure is subjected to h...
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- Explain the generation of the positively charged particle in the disch...
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- How many protons will be needed to fill a spherical vessel of volume 1...
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- Why was it necessary to consider the existence of neutrons in the nucl...
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- Who discovered neutrons?
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- Between proton or neutron which one is heavier?
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- Write the nuclear reaction for the emission of neutron. Indicate e/m v...
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- Mention the symbol, charge and names of the discoverers of positron, p...
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- Name the experiment that help us to determine the number of protons in...
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- What is the nuclear model of atom?
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- Indicate the conclusions drawn by Rutherford from his alpha-particle s...
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- Explain why Rutherford did not mention the present of neutron in the p...
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- From which experiment it was concluded that entire mass and positive c...
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- What is the relation between Cl^(-) and S^(2-) ?
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- Identify the isotopes and isobars from the following list of atoms wit...
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