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Bealadiero4go
Answered

how will you write the electron configuration of elements in the third period?​

Sagot :

Answer:

In the third period the 3s subshell is filling for Na and Mg, and therefore Al, Si, P, S, Cl, and Ar. As a general rule, in the case of the representative elements, the distinguishing electron will be in an ns or np subshell.

Zirycelmajgo

Answer:



Electronic configuration of 3rd period

In the third period the 3s subshell is filling for Na and Mg, and therefore Al, Si, P, S, Cl, and Ar.

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5.17: Electron Configurations and the Periodic Table.

Z Element Configuration

16 S [Ne] 3s 2 3p4

17 Cl [Ne] 3s 2 3p5

18 Ar [Ne] 3s 2 3p6

19 K [Ar] 4s 1

Explanation:

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