Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: ¿Cuántos elementos se consideran no metales usualmente?: 20; 15; 13; 22
Right answer summary: 20
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: ¿Cuántos elementos se consideran no metales usualmente?: 20; 15; 13; 22
Right answer summary: 20
Question state: todo