Electron Configurations and the Bohr Model in CHM 1310

Principal Quantum Number (n)

Indicates the energy level of an electron.

Bohr Model

Outdated model of atomic structure.

s Orbital

Spherical shape, holds up to 2 electrons.

p Orbital

Dumbbell shaped, holds up to 6 electrons.

Electron Orbitals

Regions defining electron probability locations.

Maximum Electrons in Orbitals

s: 2, p: 6, d: 10.

Sublevels/Subshells

Types of orbitals: s, p, d, f.

Electron Configuration

Distribution of electrons among orbitals.

Beryllium Electron Configuration

1s²2s², total 4 electrons.

Noble Gas Configuration

Shorthand notation using previous noble gas.

Probability in Orbitals

Describes likelihood of finding electrons.

Electron Excitation

Electrons moving to higher energy levels.

Energy Level

Main shell where electrons reside.

Electron Filling Order

Orbitals filled in order of energy.

Node in p Orbital

Region where probability of finding electron is low.

Transition Metals

Exceptions in determining principal quantum number.

Periodic Table Rows

Correspond to principal quantum number n.