Multiple choice

Electrons in the outer orbit are

  1. nuclei

  2. waves

  3. valence

  4. holes

  5. shells

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Valence, also known as valency or valence number, is the number of valence bonds a given atom has formed or can form, with one or more atoms. For most elements the number of bonds can vary. Option 3 is correct.