How many valence electrons does #NO_3^-# have? Chemistry Covalent Bonds Drawing Lewis Structures 1 Answer Sam May 16, 2016 24 valence electrons Explanation: Answer link Related questions What are lewis dot structures used for? What is the lewis structure for #SO_2#? How do you draw the lewis structure for ions? How do you draw the Lewis structure for ionic compounds? What are some examples of Lewis structures? What is an example of a Lewis structures practice problem? What are some common mistakes students make with Lewis structures? What are some common mistakes students make when drawing Lewis structures? How can I draw Lewis dot structures for ionic compounds? How can I draw a Lewis structure of a compound? See all questions in Drawing Lewis Structures Impact of this question 5321 views around the world You can reuse this answer Creative Commons License