Question 1 What is the name and symbol of the unit of energy used in energy problems? joule, J

Is energy taken in or given out when bonds break? Question 2 Is energy taken in or given out when bonds break? Supplied

Are all bond energies the same? Question 3 Are all bond energies the same? No

Question 4 Does this energy level diagram show an exothermic or an endothermic reaction? Exothermic reaction

Is energy taken in or given out when bonds are made? Question 5 Is energy taken in or given out when bonds are made? Released

Question 6 What do we call the minimum amount of energy needed for a reaction to start? Activation energy

Question 7 Does this energy level diagram show an exothermic or an endothermic reaction? Endothermic

Question 8 The reaction below is exothermic. Which involves the most energy, bond breaking or bond making? Bond making