Which reaction did you perform in the hands-on activity? Based on your observations, was the reaction endothermic or exothermic? Explain your answer in complete sentences.

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

Correct relationship between molecular formula and empirical formula

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates