AnswersTX-Chemistry AThe 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
5

Longhand notation:

A
1s22s22p63s23p4
B
1s22s22p63s1
C
1s22s22p63s23p64s23d3
D
1s22s22p3
6

Al:

A
[Ar]3s23p1
B
[He]2s22p63s23p1
C
[Ne]3s23p1
D
[Ne]3s23p2
7

Zn:

A
[Ar]4s23d10
B
[Ne]3s23p64s23d10
C
[Ar]4s23d9
D
[Ar]4s24d10
8

Dy:

A
[Xe]6s26f10
B
[Xe]6s24f10
C
[Rn]6s26f10
D
[Rn]6s24f10
9

As:

A
[Ar]4s23d104p3
B
[Ar]4s23d104p2
C
[Kr]4s24d104p3
D
[Kr]4s23d104p3
10

Tc:

A
[Ar]4s23d104p65s24d5
B
[Kr]5s24d6
C
[Kr]5s24d5
D
[Kr]5s25d5
11

Am:

A
[Rn]7s24f 7
B
[Rn]7s25f 7
C
[Rn]7s26f 7
D
[Rn]7s27f 7

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