orbital

What are the Defects of Bohr’s Atomic Model?

What are the Defects of Bohr’s Atomic Model? In 1913 Neil Bohr’s presented a new model for an atom, known as Bohr’s atomic model. Niels Bohr model describes an atom as a small positively charged nucleus surrounded by electrons that travel in circular orbits around the positively charged nucleus like planets around the sun in …

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Electronic Configuration Rules | Chemistry Notes

Electronic Configuration: The distribution and arrangement of electrons in various shells, sub-shells and orbitals is called electronic configuration. Electronic configuration follows three rules. Auf Bau Principle: It states: “Electrons occupy shells in increasing order of their energies” or “Electrons occupy sub-shells in increasing order of their energies or n+ℓ values” First electrons fill the sub-shell with …

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What are Quantum Numbers in Simple Words

Do you Know !! What are Quantum Numbers? In simple words, quantum numbers are certain numbers which are used to locate electrons in an atom. or In other words, we can say that quantum numbers are addresses of electrons. They are of four types out of which three are obtained by mathematical solution of the …

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Class 11 Chemistry Chapter 2 Important MCQ’s for Exams – Structure of Atom

Class 11 Chemistry Chapter Structure of Atom Important MCQ’s: At infinity the energy difference between two Adjacent orbits becomes almost: 1.Increased 2.Decreased 3.Infinite 4. Zero Answer ) Zero Brief Explanation : The difference of energy between two consecutive orbits in an atom decreases with increase in their distance from the nucleus i.e. E2>- E1 > …

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Difference between Shell, Subshell and Orbital in Simple Words

Shell, Subshell and Orbital Shells By “shell,” we simply mean the path taken by electrons as they orbit the nucleus of an atom. A shell of electrons can be visualised as an orbit around the nucleus of an atom. Because each shell can only accommodate a given number of electrons, each shell is connected with …

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