Electron Configuration Homework

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2020-2021 CP Chem DO NOT DO

Write the electron configurations for the following elements. Then write the number of valence electrons in the space provided. For each element:

Make sure to separate the last subenergy level into its orbitals

Fill in the ( ) with the atomic number (Z) which is also the number of protons (but also electrons, e^- )

1. Beryllium (Z= )
# of valence e^-

2. Aluminum (Z= )
# of valence e^-

3. Sodium (Z= )
# of valence e^-

4. Argon (Z= )
# of valence e^-

5. Calcium (Z= )
# of valence e^-

6. Oxygen (Z= )
# of valence e^-

7. Radium (Z= )
# of valence e^-

8. Lead (Z= )
# of valence e^-

9. Zinc (Z= )
# of valence e^-
2020-2021 CP Chem DO NOT DO
10. Iron (Z= )
# of valence e^-
2020-2021 CP Chem DO NOT DO