January 2019 NY Regents Chemistry Exam 29 Compared to the energy released per mole of reactant during chemical reactions, the energy...

August 2019 NY Regents Chemistry Exam 49 Which radioisotope requires long-term storage as the method of disposal, to protect living...

August 2019 NY Regents Chemistry Exam 30 In which type of nuclear reaction do nuclei combine to form a nucleus with a greater mass? (1)...

August 2019 NY Regents Chemistry Exam 29 In which reaction is an atom of one element converted into an atom of another element? (1)...

January 2020 NY Regents Chemistry Exam 50 Given two equations representing reactions: Which type of reaction is represented by each of...

January 2020 NY Regents Chemistry Exam 48 Which emission causes the atomic number of a nuclide to decrease by 2 and its mass number to...

January 2020 NY Regents Chemistry Exam 30 Which statement describes a benefit of using fission reactions? (1) Radioactive waste must be...

January 2020 NY Regents Chemistry Exam 29 Which radioactive emission has the greatest penetrating power, but the least ionizing power?...

June 2017 NY Regents Chemistry Exam 29 Which process requires energy for a nonspontaneous redox reaction to occur? (1) deposition (2)...

June 2017 NY Regents Chemistry Exam 28 During an oxidation-reduction reaction, the number of electrons gained is (1) equal to the number...