Scandium? Is that what you mean?
Answer:
C
Explanation:
The higher the period the higher the activity of an element, therefore, since iodine is in period 6 and bromine is in period 5, the described reaction is not possible due to the fact that bromine is less active
It would be endothermic because the log is in the system.
Different types of acid deposition are
sulphur dioxide
nitroges oxides
Answer: Sulfur dioxide and nitrogen oxides dissolve very easily in water and can be carried very far by the wind. These pollutants cause acid rain.
