2022 51.B 2.A 3.A 4.C 5. C 6.C 7.B 8.B 9.B 10.D 11.AD 12.AB 13. CD 14.D 15.D 1.2.N N 3.a.“=”“ “” b. c. 4. 16.12 12 2 121 312111 41 5642 17. 12 14s24p32 2AsFeCa2FeCl32 3CaFe2As22 (0,0,0.628)1(0.5,0.5,0.128)1 421030M a2cNA2 18. 12 11 2Fe2H3AsO3FeAsO415.710202 3F-H+HFc(F-)1 42Ni2+2O2 52 6MH1Ni(OH)2OHe =NiOOHH2O2 19. 12 121171 2213C10H18O31 4182 511 6211 20. 12 1H2 - H12 3a+6b 2V1(20-5a -8b) b2V 4a41 20.02 3t12 c1H2H21 22
