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What element has the electron configuration 1s²2s²2p³?

Sagot :

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Nitrogen(N) has the electron configuration 1s²2s²2p³

Further explanation  

In an atom, there are levels of energy in the shell and subshell  

This energy level is expressed in the form of electron configurations.  

Writing electron configurations starts from the lowest to the highest sub-shell energy level. There are 4 sub-shells in the shell of an atom, namely s, p, d, and f. The maximum number of electrons for each subshell is  

  • s: 2 electrons  
  • p: 6 electrons  
  • d: 10 electrons and  
  • f: 14 electrons  

Charging electrons in the subshell uses the following sequence:  

1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p⁶, 5s², 4d¹⁰, 5p⁶, 6s², etc.  

The number of electrons in the electron configuration of an element shows the atomic number (in neutral atoms)

Element has the electron configuration 1s²2s²2p³

If we count the number of electrons we will get: 2+2+3 = 7

Number of electron = atomic number = 7

If we look at the periodic system, the element with atomic number 7 is the gas element N(Nitrogen)  which is located in group 5A

Learn more  

Periodic systems

https://brainly.ph/question/1129723

Element Name (Symbol) and Atomic Number  

https://brainly.ph/question/2088480  

the latin name of the elements in the periodic table  

https://brainly.ph/question/1641273  

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