9. Electrons in Atoms and the Periodic Table

Which of the following is the ground-state electron configuration for zinc (Zn, atomic number 30)?

What is the full electron configuration for sulfur (S, atomic number 16)?

What is the ground-state electron configuration of krypton (Kr) in noble-gas shorthand notation?

What is the ground-state electron configuration of potassium (K, atomic number 19)?

What is the ground-state electron configuration of silicon (Si), atomic number $14$?

Which electron configuration correctly represents a neutral lithium atom (atomic number 3) in its ground state?

What is the complete electron configuration for calcium (Ca)?

What is the ground-state electron configuration of silicon (Si)?

In the simplified electron configuration notation, what is the electron configuration for a phosphorus atom (P), which has 15 electrons?

What is the ground-state electron configuration of magnesium (Mg)?

Which element has a ground-state electron configuration that ends in $n^1{f}^{14}{n}^2{d}^{10}{n}^3{p}^6$ (i.e., a filled $f$ subshell)?

What is the ground-state electron configuration of selenium (Se, $Z=34$) using noble-gas shorthand?

What is the ground-state electron configuration for krypton (Kr)?

Which electron configuration corresponds to bromine (Br, atomic number 35) in simplified noble-gas notation?

What is the ground-state electron configuration of iron (Fe, atomic number 26) using noble-gas shorthand?