Lewis symbol

Definition

A Lewis symbol is a notation that represents the valence electrons of an atom as dots around the element's symbol. It helps visualize the bonding capacity of an element in molecules.

5 Must Know Facts For Your Next Test

1. Lewis symbols focus on valence electrons, which are crucial for chemical bonding.
2. Each dot in a Lewis symbol represents one valence electron.
3. Lewis symbols are used to predict the number and types of bonds an atom can form.
4. Elements in the same group have similar Lewis symbols because they have the same number of valence electrons.
5. Lewis symbols do not show inner-shell electrons; they only depict outer-shell (valence) electrons.

Review Questions

Related terms

Valence Electrons:

Electrons located in the outermost shell of an atom that are involved in chemical bonding.

Octet Rule:

A rule stating that atoms tend to form bonds until they have eight valence electrons, achieving a noble gas configuration.

Covalent Bond:

A type of chemical bond where two atoms share one or more pairs of valence electrons.