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5 votes
Write the correct electron configurations for the following:

ments
ions
• Na (atomic # 11)
• Fe (atomic # 26)
• As (atomic # 33)
• F (atomic #9)
• Co (atomic #27)
• Ag (atomic # 47)
• K (atomic # 19)
• Cu (atomic # 29)
• Si (atomic # 14)

User Tikinoa
by
3.8k points

2 Answers

5 votes
Na- 1s^2 2s^2 2p^6 3s^1

Fe- 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6

As- 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^3

F- 1s^2 2s^2 2p^5
User Tim Lesher
by
4.4k points
5 votes

Answer:

Ag

Step-by-step explanation:

atomic 33 because it what what sence

User Jhyot
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4.2k points