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MBD-STRCTURE OF ATOM-Example
- Which charge is present on protons ?
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- Where are protons present in an atom ?
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- What were the characteristics of an atom according to Dalton ?
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- Which discovery is against Dalton's theory ?
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- Who proposed the first model for the structure of atom ?
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- Why did Rutherford used gold foil in a-ray scattering experiment ?
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- What are alpha-particles?
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- What is the charge on alpha-particles ?
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- What is the mass of an alpha-particle ?
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- How the defects of Rutherford's model were removed by Neil Bohr ?
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- What are energy levels or shells ?
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- Define mass number of an element.
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- Who gave the distribution of electrons in the various shells of an ato...
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- What is the maximum number of electrons present in an electronic shell...
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- What is the maximum first four shells of an atom ?
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- What is the maximum number of electrons in the outermost shell of an a...
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- Which element are Chemically inert?
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- Define valency of an element
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- Define octet.
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- Define valency of an element.
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