Explain in a short sentence how you can tell if a reaction is a combustion reaction.

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next