Question

Помогите с химии
Очень надо
С заданиями :кроме 19,22,14,13,5,4,6,7

Answer 1

1-3                       15-3                           23-4,5

2-2                      16-3           

3-2                      17-2

8-3                      18-2

9-4                      20-2,3,5

10-2                   21- 1,4