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“Orbitals of equal energy are each occupied by one electron before any is occupied by a second electron, and all electrons in singly occupied orbitals must have the same spin” is a statement of

For 2 bonus points, what’s the noble gas electron configuration of sodium?

The statement that an electron occupies the lowest available energy orbital is

The element with electron configuration 1s2 2s2 2p6 3s2 3p2 is

How many sig figs does 0.05089 have?

In the electron configuration for scandium (atomic number 21), what is the notation for the three highest-energy electrons?

Which of the following rules requires that each of the p orbitals at a particular energy level receive one electron before any of them can have two electrons?

A line spectrum is produced when an electron moves from one energy level

Which energy-level change shown in the diagram below emits the highest energy?

The number of sublevels within each energy level of an atom is equal to the value of the