What is the rate of a chemical reaction? the amount of each reactant needed in relation to all the others the time it takes for all the reactants to become products the energy cost to transform all reactants into products the speed at which reactants change to products over a given time

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

What is a number added in front of a formula in order to balance the equation