Answer:False
Explanation:co2 or carbon dioxide is a compound not an element, you can even check this on the periodic table
That would be an endothermic reaction! :)
Answer:
transition metals
Explanation:
they're the elements in yellow in the picture
So potassium<span> is </span>more<span> reactive </span>than<span> lithium because the outer electron of a </span>potassium<span> atom is </span>further<span> from its nucleus </span>than<span> the outer electron of a lithium atom.</span>