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

The History and Arrangement of the Periodic Table Answers

5 verified answers
1
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Potassium (K): 1s22s22p63s23p64s1

A
longhand notation
B
noble-gas notation
2
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Iron (Fe): [Ar]4s23d6

A
longhand notation
B
noble-gas notation
4

Magnesium (Mg): 1s22s22p63s2

A
longhand notation
B
noble-gas notation
5

Magnesium (Mg): 1s22s22p63s2 core electrons

Answer:

10

6

valence electrons

Answer:

2 valence electrons

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