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SWAN PUBLICATION-STRUCTURE OF THE ATOM -EXERCISE
- What are the limitations of Rutherford's model of the atom ?
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- Describe Bohr's model of atom.
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- Compare all the proposed models of atom given in the chapter 3 of the ...
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- Summarize the rules for writing of distribution of electrons in variou...
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- Define valency by taking examples of silicon and oxygen.
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- Define the terms nucleus, nucleons, atomic number, mass number, isotop...
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- Na^+ has completely filled K and L shells. Explain.
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- If bromine atom is in the form of say isotopes "35^79Br (49.7%) and "...
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- The average atomic mass of a sample of an element X is 16.2 u, what ar...
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- IfZ= 3, what would be the valency of the element ? Also, name the elem...
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- Composition of the nuclei of two atomic species X and Y are given as u...
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- (true/false) J.J. Thomson proposed that the nucleus of an atom contain...
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- (true/false) A neutron is formed by an electron and a proton combining...
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- (true/false) The mass of an electron is about 1/2000 times that of pro...
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- (true/false) Isotope of iodine is used for making tincture iodine, whi...
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- Rutherford's alpha-particle scattering experiment was responsible for ...
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- Isotopes of an element have
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- Number of valence electrons in Cl-ion are :
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- Which one of the following is a correct electronic configuration of so...
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- Complete the following table : {:("Atomic No.","Mass No.","Number","...
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