CLEP Chemistry

Category - Multiple Choice

How many electrons are in the outermost shell of aluminum?
  1. 13
  2. 10
  3. 8
  4. 7
  5. 3
Explanation
Answer: 3

Electrons in the outermost shell of an atom are known as valence electrons. Aluminum has three valence electrons.
Was this helpful? Upvote!
Login to contribute your own answer or details

Top questions

Related questions

Most popular on PracticeQuiz