Electrons and the Periodic Table Answers

Potassium (K): 1s22s22p63s23p64s1

Argon (Ar): [Ne]3s23p6

Longhand notation:

Al:

As:

Zn:

Tc:

Dy:

Am:

Iron (Fe): [Ar]4s23d6

Noble-gas notation:

Magnesium (Mg): 1s22s22p63s2