Bakari I, Nubagbi SE, Chukwuemeka IW, Asipita NZ, Doris AO. Development and Validation of an AI-Based Model for Identifying Senior Secondary School Students’ Errors in Chemistry Calculations in Lokoja Metropolis, Kogi State, Nigeria. FJS. 2026;10(20):212-217. doi:10.33003/fjs-2026-1020-6105