Atomic Theory Vocabulary

Front

Neutral atoms have the same number of protons and electrons.

Back

neutral atoms

(átomo neutro)

Front

Anions are negatively charged ions.

Back

anions

(aniones)

Front

the electrons in an atom's outermost electron shell

Back

Valence electron

(electrones de valencia)

Front

Lewis Dot Structures represent valence electrons as dots.

Back

Lewis Dot Structures

(Estructuras de puntos de Lewis)

Front

Sublevel

Back

A collection of orbitals labeled with letters s, p, d, f.

Front

Energy Level

Back

Where electrons exist in the lowest energy possible. It may have many sublevels.

Front

Aufbau Principle

(Aufbau Principio)

Back

Electrons fill the lowest energy level first, as close to the nucleus as possible.

Front

Hund’s Rule

(Hund's regla)

Back

If a sublevel has more than one orbital, each orbital gets one electron before pairing.

Front

Ground State

Back

Electrons are at the lowest energy level.

Front

Excited State

Back

Excited electrons jump up to a higher energy level.