answer: D
Here is a list of the most common ways to speed up a chemical reaction
Increase the temperature (reactions that absorb energy)
Decrease the temperature (Reactions that release energy)
Answer:
Don’t change, keep the same
Explanation:
The answer is c because thats the number when combined with a metal. +1 is when its combined with a nonmetal.
Answer:
Can you post the pic to it so I can give you more info?
Explanation: