Electron Configurations

Write the electron configuration for the following elements.
Then, draw their Lewis dot structure.
1. Chromium
2. Sulfur
3. Nitride Ion (N–3)
4. Zirconium
5. Argon
Write the electron configuration for the following substances.
If the prefix “Iso” means same, what do you think term Isoelectronic means when we
are talking about ions and elements?
1. Neon
2. Oxygen
3. Magnesium
4. Fluorine
5. Aluminum
6. Sodium
Draw the Orbital Notation for the following:
1. An atom of chromium
2. The calcium ion
3. An atom of potassium with an excited electron
4. The iodide ion
Draw the orbital notation for the following:
1. An atom of Silicon that breaks the Pauli Exclusion Principle.
2. An atom of Vanadium that breaks the Aufbau principle.
3. An atom of Selenium that breaks Hund’s rule.
Identify the following substances. They are not ions.
Draw the Lewis structure for each.
Determine the error in each notation below. If a rule is broken, which rule?
You know that chromium and copper do not follow the Aufbau principle. However many
more atoms break the Aufbau principle. Propose electron configurations for 3 more
atoms that might also break Aufbau.
Draw an electron configuration of manganese in the ground state.
Draw an orbital notation of nickel with an electron in the excited state
Draw the electron configuration of iron with a +2 charge (Fe2+)
Draw the electron configuration of copernicium (element 112)