Questions. Answer the questions below.
1. What scientist discovered that electrons are found on specific energy levels (rather than just anywhere
outside the nucleus)?
2. Write the electron configuration for carbon. Circle the principal quantum number(s). Underline the
orbital quantum number(s). What do the remaining numbers represent?
3. Complete the chart
Element
Short Electron Configuration
Sr
K
Na
Mn
Li
Ba
Ca
4. Draw the orbital notation for:
a. Na
b. Cl
5. Draw the orbital model for:
a. Na
b. Cl