Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: La fórmula del sulfuro de sodio es Na{4; 3; 2; 1}S{3; 4; 1; 2}
Right answer summary: part 1: 2; part 2: 1
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: La fórmula del sulfuro de sodio es Na{4; 3; 2; 1}S{3; 4; 1; 2}
Right answer summary: part 1: 2; part 2: 1
Question state: todo