Answers26-27 WHS-Chemistry-1stSixWeeksThe History and Arrangement of the Periodic Table

The History and Arrangement of the Periodic Table Answers

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1
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Potassium (K): 1s22s22p63s23p64s1

A
longhand notation
B
noble-gas notation
2
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Noble-gas notation:

A
[Ar]3s1
B
[He]2s22p63s1
C
[Ne]3s23p4
D
[Ne]3s1
3

Argon (Ar): [Ne]3s23p6

A
longhand notation
B
noble-gas notation
4

Magnesium (Mg): 1s22s22p63s2

A
longhand notation
B
noble-gas notation

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The History and Arrangement of the Periodic…