Valence Electrons

Valence electrons are electrons in the outermost energy level of atoms. These electrons contribute towards the properties of elements.

Many vocabulary words do not explicitly appear in the standards, because the NGSS focus on a deep understanding of the concept behind a vocabulary word. Vocabulary can be introduced and applied, as needed, for instructional purposes.

Related Term: electron

Disciplinary Core Idea: 
PS1A: Structure and Properties of Matter
PS1B: Chemical Reactions
PS2B: Types of Interactions
High School (9-12)