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MBD-STRCTURE OF ATOM-Example
- Calculate the number of neutrons in the following elements :"17^37Cl
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- Calculate the number of neutrons in the following elements :"18^40Ar
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- Give two conditions under which cathode rays are produced.
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- The electronic configuration of P (Z=15) is 2, 8, 5, why is the valen...
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- What information is conveyed by the statement that the mass number of ...
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- Is it possible for an atom to have 12 protons and 13 electrons ? Expla...
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- Give the important isotopes of hydrogen,carbon, oxygen and chlorine. I...
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- Chlorine has two isotopes "17^35Cl And "17^37Cl in the ratio 3:1. Calc...
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- Out of 18X and 16Y which atom is chemically more reactive ?
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- An element has 12 neutrons and mass number 23. Give the atomic number ...
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- Calculate number of protons, neutrons and electrons in "92^235U and "9...
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- Calculate the number of electrons, protons and neutrons is "9^19X . Al...
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- Who discovered canal rays ?
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- Which charge is present on canal ray particles ?
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- 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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