Copy of Electron configuration video (5/28/2026)

a.) The atomic number of an element represents the number of in an atom.

b.) In the first energy level, the only sublevel present is .

c.) The 2p sublevel can hold a maximum of electrons.

d.) The electron configuration for nitrogen, which has 7 electrons, is .

e.) For aluminum, which has 13 electrons, the electron configuration ends with .

f.) In transition metals, when forming positive ions, electrons are removed from the energy level first.

h.) The chloride ion (Cl⁻) has a total of electrons.

k.) What is the electron configuration for phosphorus (P)?

l.) What is the electron configuration for copper (Cu)?