Multiple choice

Which of the following is not a covalent compound?

  1. NaCl

  2. Glucose

  3. Naphthalene

  4. Iodine

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

NaCl (sodium chloride) is an ionic compound formed by the transfer of an electron from sodium to chlorine. Glucose, naphthalene, and iodine are all covalent compounds.