Multiple Choice
How many valence electrons does potassium (K) have?
65
views
10. Periodic Properties of the Elements
Valence Electrons of Elements
Struggling with General Chemistry?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
How many valence electrons do alkaline earth metals have?
A
1
B
4
C
8
D
2
Verified step by step guidance1
Identify the group of alkaline earth metals in the periodic table. They belong to Group 2.
Recall that the group number for main-group elements corresponds to the number of valence electrons for those elements.
Since alkaline earth metals are in Group 2, they have 2 valence electrons.
Understand that valence electrons are the electrons in the outermost shell of an atom and determine chemical reactivity.
Therefore, alkaline earth metals have 2 valence electrons.
2:32mWatch next
Master Main Group Elements Valence Electrons with a bite sized video explanation from Jules
Start learningRelated Videos
Related Practice
Valence Electrons of Elements practice set
Problem sets built by lead tutorsExpert video explanations