What element has 3 valence electrons?
Understand the Problem
The question is asking for the name of the chemical element that has three valence electrons. Valence electrons are important for understanding the bonding and reactivity of elements.
Answer
Boron (B), Aluminum (Al), Gallium (Ga), Indium (In), Thallium (Tl)
Elements with three valence electrons are Boron (B), Aluminum (Al), Gallium (Ga), Indium (In), and Thallium (Tl)
Answer for screen readers
Elements with three valence electrons are Boron (B), Aluminum (Al), Gallium (Ga), Indium (In), and Thallium (Tl)
More Information
Elements with three valence electrons belong to Group 13 of the periodic table and are also known as the Boron group.
Tips
A common mistake is confusing the number of valence electrons with the group number in periods where transition metals are involved.
Sources
- Which of the following groups of elements all have 3 valence electrons - homework.study.com
- Which of these elements has three valence electrons? - Answers - answers.com