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The first quantum number (n) represents the energy level (shell), so for a 1s2 electron, it would have a value of 1.

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

n = 2


What is the first quantum number of a 2s2 electron in phosphorus 1s22p63s23p3?

The first quantum number is the principal quantum number (n), which indicates the main energy level of an electron. For a 2s electron in phosphorus (atomic number 15), the first quantum number is 2.


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

n=1


What is the first quantum number of 1s2 electon in phosphorus?

The first quantum number (principal quantum number) for the 1s2 electron in a phosphorus atom is n = 1. This indicates the energy level or shell in which the electron is located.


What is the first quantum number of a 3p3 electron in phosphorus 1s22s22p63s23p3?

3


What is the first quantum number of a 3p3 electron in phosphorus 1s2 2s2 2p6 3s2 3p3?

n=3


What information does the first quantum of an electron give?

The energy level the electron is in


What information does the first quantum number 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 "n." 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.


What is the first quantum number of the 3p1 electron in aluminum 1s22s22p63s23p1?

n = 3


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

The first quantum number, known as the principal quantum number (n), provides information about the energy level or shell in which an electron is located in an atom. It indicates the distance of the electron from the nucleus, with larger values of n corresponding to higher energy levels farther from the nucleus.