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)? _______