After heating a 10.00 g sample of potassium chlorate, a student obtains an amount of oxygen calculated to be 3.90 g. Theoretically, there should be 3.92 g of oxygen in this amount of
potassium chlorate. What is the percent error in this experiment?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Is laundry detergent an acid or a base?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules