Lesson 7: Hund's Rule and Valence versus Core Electrons

These flashcards cover key vocabulary and concepts from Lesson 7 regarding Hund's Rule, electron configurations, valence and core electrons.

Hund's Rule

Electrons will fill degenerate orbitals singly before pairing up.

Valence Electrons

Electrons in the outermost shell of an atom that determine its chemical properties.

Core Electrons

Electrons in an atom that are not in the outermost shell and do not participate in bonding.

Orbital Diagram

A graphical representation of the electron distribution in orbitals.

Energy Sublevel

The specific region of an atom where electrons are likely to be found.

Ground State Electron Configuration

The arrangement of electrons in an atom at its lowest energy state.

Periodic Trends

Patterns in the properties of elements across the periodic table.

Abbreviated Electron Configuration

A shorthand way of writing the electron configuration using the nearest noble gas.

Highest Energy Sublevel

The orbital with the highest energy level for an atom's electrons.

Noble Gas Core

The stable electron configuration of the nearest noble gas used to simplify electron configuration notation.