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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.

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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 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 1s2 electron in phosphorus 1s22s22p63s23p3?

n=1


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

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


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 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 quantum number is a whole number?

The first three quantum numbers (principle, angular momentum, magnetic) are all whole numbers. The last quantum number (spin) is either ½ or -½.


What does a quantum number describe?

n is the first quantum number. It is the principle quantum number. It refers to what energy level it is and will be one greater than the number of nodes in the orbital. l is the second quantum number. It is the angular momentum quantum number and refers to the shape of the orbital. ml is the third quantum number. It is the magnetic quantum number and it refers to the orientation of the orbital. ms is the fourth quantum number. It is the spin quantum number and refers to the magnetic character of the orbital.


What information does the first quantum of an electron give?

The energy level the electron is in