HELPP PLSSS 8. Which of the following determines the identity of an atom? *
O A. Protons
B. Electrons
O C. Neutrons
O D. All of the above
.

Which terms are used to identify pure substances

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.