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Primary Quantum number n represents the shell in which the electons are filled .

These shells are K,L,M ,N O, P ...........

They are of of course the energy levels .

Again the energy of the orbital is determined by the sum of (n+l)

which is the sum of principal quantum number as well as Azimuththal quantum number

in this way the electrons are filled in the increasing order of energy

1s<2s<2p<3s<3p<4s<3d<4p<5s<4d<5p<6s<4f<5d<6p<7s<5f<6d<7p<8s................

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What is a principal quantam number?

The principal quantum number (n) defines the main energy level or shell of an electron in an atom. It determines the average distance of the electron from the nucleus, as well as the energy of the electron. The higher the principal quantum number, the higher the energy level and the greater the distance from the nucleus.


What does the principal quantum number tell you?

The principal quantum number, denoted by ( n ), describes the main energy level of an electron in an atom. It indicates the average distance of the electron from the nucleus and the energy level of the electron. An increase in the principal quantum number corresponds to the electron being in a higher energy level and farther away from the nucleus.


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.


How is the principal quantum number symbolized?

The principal quantum number is symbolized as &quot;n&quot; in the context of quantum mechanics. It represents the energy level of an electron in an atom and determines the average distance of the electron from the nucleus.


How many quantum numbers are there in quantum theory?

There are four quantum numbers: principal quantum number (n), azimuthal quantum number (l), magnetic quantum number (m_l), and spin quantum number (m_s). These numbers describe different properties of an electron in an atom, such as energy level, shape of the orbital, orientation in space, and spin.

Related Questions

What is the term used to label the energy level of electron?

Principal quantum numbers (n).


What is a principal quantam number?

The principal quantum number (n) defines the main energy level or shell of an electron in an atom. It determines the average distance of the electron from the nucleus, as well as the energy of the electron. The higher the principal quantum number, the higher the energy level and the greater the distance from the nucleus.


What is the first quantum number of a 2s2 electron in phosphorus?

The first quantum number of a 2s electron in phosphorus is the principal quantum number, which specifies the energy level of the electron shell. For a 2s electron, the principal quantum number is 2.


what does the quantum number n describe?

Which orbital is being occupied ^^^^ WRONG UPDATE 1/12/16: APEX ANSWER IS The energy level of the electron.


What is the first quantum number of a 2s2 electron in phosphorus 1s22s22p63s23p3?

n = 2


What is the Principal Energy Level?

The principal energy level is the main energy level of an electron in an atom, designated by the quantum number &quot;n.&quot; It indicates the approximate energy and distance of an electron from the nucleus. The higher the principal energy level, the higher the energy and distance of the electron from the nucleus.


Which of the quantum numbers is related to the size and energy of the orbital?

The principal quantum number (n) is related to the size and energy of the orbital. It indicates the main energy level of an electron and correlates with the average distance of the electron from the nucleus. A higher principal quantum number corresponds to a larger orbital size and higher energy.


What does the first quantum number (n) describe?

Which orbital is being occupied ^^^^ WRONG UPDATE 1/12/16: APEX ANSWER IS The energy level of the electron.


Which quantum number represents the main energy level of an electron?

The principal quantum number (n) represents the main energy level of an electron in an atom. It determines the energy level and distance of the electron from the nucleus.


What information does the first quantum number of an electron give?

The energy level the electron is in


What information does the first quantum of an electron give?

The energy level the electron is in


What is the first quantum number of the 3p1 electron in aluminum?

The first quantum number is the principal quantum number, denoted by &quot;n.&quot; In aluminum, the 3p1 electron would have a principal quantum number of n = 3, since it is in the third energy level orbiting the nucleus.