University:
University of North Dakota
Course:
CHEM 121 | General Chemistry I
Academic year:

2023
Views:

20

Pages:

2
Author:

luredpercussion

Electron Configurations Worksheet Answer Key 𝟏𝒔𝟐 𝟐𝒔𝟐 𝟐𝒑𝟔 𝟑𝒔𝟐 𝟑𝒑𝟔 𝟒𝒔𝟐 𝟑𝒅𝟏𝟎 𝟒𝒑𝟔 𝟓𝒔𝟐 𝟒𝒅𝟏𝟎 𝟓𝒑𝟔 𝟔𝒔𝟐 𝟒𝒇𝟏𝟒 𝟓𝒅𝟏𝟎 𝟔𝒑𝟔 𝟕𝒔𝟐 𝟓𝒇𝟏𝟒 𝟔𝒅𝟏𝟎 𝟕𝒑𝟔 Write the ground state electron configuration for each of the following: 1. calcium 2. lithium 3. iron 4. sodium 5. oxygen 6. iodine 7. osmium 8. radium 9. fermium 10. argon 11. sulfide ion 12. calcium ion 13. chloride ion 14. hydrogen ion Do you notice something strange about 10-13? We call these “isoelectronic”…remember this term? If you don’t, can you figure out what it means by looking at 10-13? Name the neutral atom that corresponds to the following electron configurations: 15. 1𝑠 2 2𝑠 2 2𝑝6 3𝑠 2 3𝑝6 4𝑠 2 3𝑑10 4𝑝2 ___Ge____ 16. 1𝑠 2 2𝑠 2 2𝑝6 3𝑠 2 3𝑝6 4𝑠 2 3𝑑10 4𝑝6 5𝑠 2 4𝑑10 5𝑝6 6𝑠 2 4𝑓 14 5𝑑10 6𝑝2 ____Pb______ 17. 1𝑠 2 2𝑠 2 2𝑝6 3𝑠 2 3𝑝5 ____Cl____ 18. 1𝑠 2 2𝑠 2 2𝑝5 ____F____