If the number of neutrons in an atom is changed, does the atom become a new element? why or why not? a. yes. the number of neutrons determines the identity of an atom b. yes. the number of neutrons determines the number of electrons in an atom, and therefore, the identity of the element. c. no. it is the number of protons, not the number of neutrons, that determines the identity of an atom. d. no. it is the number of electrons, not the number of neutrons that determines the identity of an atom.

Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?