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Structure of Atom
The bromine atom possesses 35 electrons. It contains 6 electrons in 2p orbital, 6 electrons in 3p orbital and 5 electrons in 4p orbital. Which of these electron experiences the lowest effective nuclear charge?
Force of attraction between nucleus and the electron depend upon the distance between the nucleus and the orbital, in which electron present. As the distance increases, the effective nuclear charge also decreases. Since 4p electrons being farthest as compared to 2p and 3p electrons from the nucleus, therefore 4p electrons will experience the lowest effective nuclear charge.
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What is the name of the remaining part of atom except outer orbit?
Name the particles which determine the mass of an element.
What are α-particles?
What are the fundamental particles present in a neutral atom having atomic number greater than 1?
Do protons and neutrons have identical mass?
When α-particles are sent through a thin metal foil, most of them go straight through the foil. What inference do you draw from it?
What did Rutherford's experiment on scattering of particles show for the first time?
What is Plum-Pudding model of the atom?
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