Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Un núcleo de hierro 56 contiene: : 26 protones y 30 neutrones; 56 neutrones; 26 protones y 26 neutrones; 56 protones y 56 neutrones; 56 protones
Right answer summary: 26 protones y 30 neutrones
Question state: todo