1. Write out the electron configuration of Neon.
2. Write out the electron configuration of Calcium.
3. Write out the electron configuration of Titanium.
4. What element is represented by:
a) [Kr] 5s²4d¹º5p²
b) [Ar]4s¹
c) [Ne]3s²3p²
5. Which of the following atoms/ions have the same electron configuration: Na⁺, S²⁻, Ne, Ca²⁺,
Fe²⁺, Kr, I⁻.
6. Which of the following electron configurations are ground state, excited state, or impossible?
a) 1s²2s²
b) 1²2s²2p⁶4s¹
c) 1s²2s²3p⁶4s²3d¹⁰
d) [Ar] 4s²3d¹¹4p⁶
7. If n=2 what are the possible quantum numbers that result?