When the number is written in brackets, that means it is below the line and smaller.
[blank_start]4[blank_end]NH(3) + [blank_start]5[blank_end]O(2) -----> [blank_start]4[blank_end]NO + [blank_start]3[blank_end]H(2)O
Respuesta
4
5
4
3
Pregunta 2
Pregunta
When the number is written in brackets, that means it is below the line and smaller.
[blank_start]4[blank_end]Al + [blank_start]3[blank_end]O(2) -----> [blank_start]2[blank_end]Al(2)O(3)
Respuesta
4
3
2
Pregunta 3
Pregunta
When the number is written in brackets, that means it is below the line and smaller.
[blank_start]1[blank_end]Au(2)S(3) + [blank_start]3[blank_end]H(2) -----> [blank_start]2[blank_end]Au + [blank_start]3[blank_end]H(2)s