B. At-200
In beta decay the atomic number increases by 1
Answer:
[2 ]Na+[2 ]H2O -> [ 2] NaOH + [1]H2
Answer:
i say B
Explanation:
tell me if it is the right one
Answer:
D
Explanation: Decreasing the temperature of the system would lower the reaction rate.
I’m not sure what the answer is but I hope someone can help you