The Electron Test Review

charged particle that has a charge of -1, a spin of 1/2, and a very small mass, they have some properties of waves, the electrons of an atom are largely responsible for the chemical properties of the atom

• Electron

• Proton

• Neutron

Energy Level - n

• m

• n

• o

• p

we can not ever precisely know both the position and momentum of a particle at a given time

• Heisenberg Uncertainty Principle

• Pauli Exclusion Principle

• Hund's Rule

• Aufbau Principle

Electron Orbitals

• s

• p

• d

• f

no two electrons can be in the same exact orbital and have the same spin.

• Heisenberg Uncertainty Principle

• Pauli Exclusion Principle

• Hund's Rule

• Aufbau Principle

the lowest energy configuration for an atom is the one where electrons with parallel spins occupy separate orbitals within an orbital group.

• Heisenberg Uncertainty Principle

• Pauli Exclusion Principle

• Hund's Rule

• Aufbau Principle

As the atomic number increases, electrons are added to the orbitals with the lowest energy first.

• Heisenberg Uncertainty Principle

• Pauli Exclusion Principle

• Hund's Rule

• Aufbau Principle