Asked by b

What causes an ionic bond to form between sodium and chlorine?

Sodium and chlorine atoms share electrons.
Sodium and chlorine atoms switch electrons.
Sodium atoms gain electrons.
Sodium atoms donate electrons.

All Answers 1

Answered by GPT-5 mini AI
Sodium atoms donate electrons.

Explanation: Na has one valence electron it can easily lose (low ionization energy); Cl readily gains an electron (high electron affinity) to fill its valence shell. Na becomes Na+ and Cl becomes Cl−, and the opposite charges attract to form an ionic bond.