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n is the principal quantum number and represents the energy level or electron shell in which an electron resides.

For example - Say you have an Oxygen atom, which has 8 electrons. It's electron configuration is 1s2 2s2 2p4. The 2 in 2p4 is the principle quantum number, n. The s is another term dealing with angular momentum and the 4 is the number of electrons.

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Marielle Crist

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Write four quantum numbers for 1s electron?

How are electrons arranged in the quantum mechanical model of an atom


Is the specific amount of energy an electron has?

An electron has no specific amount of energy. According to Bohr's Model of hydrogen atom, the energy of an electron in a shell is given by: E=-13.6x Z2/n2 E.V. Where Z is the atomic number of the atom, n is the shell number and E.V. is electron volt, the unit for energy 1E.V. = 1.6 x 10-19 J. But the Bohr's model was rejected and quantum mechanical model of an atom came into force where n=principal quantum number and l=Azimuthal quantum number are used to determine the energy of an atom. 'n' determines the energy to a larger extent and 'l' to a little extent.


What kind of levels represent the area surrounding the center of an atom?

The levels that represent the area surrounding the center of an atom are the electron energy levels or electron shells. These are designated by the principal quantum number (n) and indicate the average distance of electrons from the nucleus.


Define main energy levels and quantum numbers?

Main energy levels are designated by integers (n=1,2,3,...) and represent the overall energy of an electron in an atom. Quantum numbers (n, l, m, s) describe the specific properties of electrons, such as energy level (n), orbital shape (l), orientation in space (m), and spin (s). Each electron in an atom has a unique set of quantum numbers that determines its behavior within the atom.


What quantum number of the hydrogen atom comes closest to giving a 31--diameter electron orbit?

The quantum number that determines the size of an electron's orbit in a hydrogen atom is the principal quantum number, denoted by "n." For an electron orbit with a 31 Å diameter, the closest principal quantum number would be n = 4, because the average radius of the electron for an orbit corresponding to n is approximately given by n^2 Å in hydrogen atom.


What is the specific amount of energy an electron has?

An electron has no specific amount of energy. According to Bohr's Model of hydrogen atom, the energy of an electron in a shell is given by: E=-13.6x Z2/n2 E.V. Where Z is the atomic number of the atom, n is the shell number and E.V. is electron volt, the unit for energy 1E.V. = 1.6 x 10-19 J. But the Bohr's model was rejected and quantum mechanical model of an atom came into force where n=principal quantum number and l=Azimuthal quantum number are used to determine the energy of an atom. 'n' determines the energy to a larger extent and 'l' to a little extent.


In many-electron atoms which quantum numbers specify the energy of an electron?

the quantum number n determines the energy of an electron in a hyrdogen atom.


What is the value of the quantum number n for a spin-up electron in a 2p orbital?

The quantum number ( n ) represents the principal quantum number, which indicates the energy level of an electron in an atom. For a 2p orbital, the principal quantum number ( n ) is 2. Therefore, the value of ( n ) for a spin-up electron in a 2p orbital is 2.


What is the number of the principal energy level in which of the valence electrons are found?

The principal energy level is represented by the main energy level number (n). The valence electrons are the electrons found in the outermost energy level of an atom, which corresponds to the highest principal energy level (n).


Does a higher value of n mean a higher or lower energy?

A higher value of n corresponds to a higher energy level in an atom. In the context of the Bohr model of the atom, n represents the principal quantum number, which indicates the energy level of an electron in an atom.


What are the quantum numbers for the last electron in copper?

The last electron in a copper atom has the quantum numbers n=3, l=2, ml=0, and ms=+1/2. The quantum numbers represent the energy level (n), sublevel (l), orbital orientation (ml), and electron spin (ms) of the electron, respectively.


What is the quantum number of the ground state of an atom in the Bohr model?

One possible answer is: 4, 1, -1, +1/2 Another possible solution is: 4, 1, 1, -1/2