Multiple choice

During the formation of a chemical bond 

  1. Energy decreases

  2. Energy increases

  3. Energy of the system does not change

  4. electron-electron repulsion becomes more than the nucleus-electron attract

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

When atoms form a chemical bond, the system moves to a lower energy state to achieve stability, meaning energy is released and the total potential energy decreases.